birth-control

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April 10, 2026

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April 10, 2026

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"First there’s Rock, a Harvard fertility expert and a developer of the pill. There’s a longstanding myth that Rock, a Catholic, designed the pill in the 1950s with the church in mind and included a week of hormonal withdrawal — and therefore bleeding — to make his invention seem more natural. In fact, the thought never crossed his mind, the Rutgers University historian Margaret Marsh says. Instead, it was Gregory (Goody) Pincus, the other developer of the pill, who suggested that the pill be given as a 20-days-on, 5-days-off regimen. Pincus wanted to provide women in his trials with reassurance that they weren’t pregnant, and to know himself that the pill was working as a contraceptive. Rock agreed. After the F.D.A. approved the pill in 1960, however, those few days of light bleeding took on a new significance. Anticipating the church’s opposition, Rock became not just a researcher but also an advocate. In his 1963 book “The Time Has Come: A Catholic Doctor’s Proposals to End the Battle Over Birth Control,” he argued that the pill was merely a scientific extension of the church-sanctioned “rhythm method.” It “completely mimics” the body’s own hormones, he wrote, to extend the “safe period” in which a woman could have intercourse and not become pregnant. “It must be emphasized that the pills, when properly taken, are not at all likely to disturb menstruation,” he wrote. “It has been my consistent feeling that, when properly used for conception control, they merely serve as adjuncts to nature.” He was stretching the truth. Rock knew that the pill’s synthetic hormones caused the lining of a woman’s uterus to thin out, making it inhospitable for a fertilized egg. During the off week, when the hormones were withdrawn, her body got the signal that it was time to shed the lining. But because this event didn’t involve ovulation, it was better described as withdrawal bleeding than menstruation."

- Hormonal birth control

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"Oral contraception is now one of the most scrutinised medicinal products on the market. Two British investigations that celebrated their 40th anniversaries in 2008 have been major contributors to the evidence base for current clinical practice. Both illustrate the enormous research opportunity of NHS clinical records. The Oxford/Family Planning Association (Oxford/FPA) Study began in 1968, when 17 family planning clinics in England and Scotland started recruiting 17 000 white, married women using oral contraception, the IUD or the diaphragm.3 The Royal College of General Practitioners' (RCGP) Oral Contraception Study started at the same time, with 1400 GPs throughout the UK recruiting 47 000 mainly white, married (or living as married) women, half of whom were using oral contraception. Both studies have followed up their cohorts through a mixture of clinic or practice reports, personal contact, and the cancer and death notification services of the NHS Central Registries. Each study has provided, in different ways, key insights into the effects of different contraceptives; as well as novel information about other women's health issues. For example, the RCGP study was the first to show that the risk of cardiovascular disease is much higher in pill users who smoke,5 especially among older women, and that the risk of hypertension and arterial disease is related to the combined pill's progestogen content.6 The Oxford/FPA study assessed the effectiveness, safety, and return to fertility after stopping different methods. Long-term mortality and cancer results from both studies have been reassuring."

- Hormonal birth control

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"What Pike discovered in Japan led him to think about the Pill, because a tablet that suppressed ovulation—and the monthly tides of estrogen and progestin that come with it—obviously had the potential to be a powerful anti-breast-cancer drug. But the breast was a little different from the reproductive organs. Progestin prevented ovarian cancer because it suppressed ovulation. It was good for preventing endometrial cancer because it countered the stimulating effects of estrogen. But in breast cells, Pike believed, progestin wasn’t the solution; it was one of the hormones that caused cell division. This is one explanation for why, after years of studying the Pill, researchers have concluded that it has no effect one way or the other on breast cancer: whatever beneficial effect results from what the Pill does is cancelled out by how it does it. John Rock touted the fact that the Pill used progestin, because progestin was the body’s own contraceptive. But Pike saw nothing “natural” about subjecting the breast to that heavy a dose of progestin. In his view, the amount of progestin and estrogen needed to make an effective contraceptive was much greater than the amount needed to keep the reproductive system healthy—and that excess was unnecessarily raising the risk of breast cancer. A truly natural Pill might be one that found a way to suppress ovulation without using progestin. Throughout the nineteen-eighties, Pike recalls, this was his obsession. “We were all trying to work out how the hell we could fix the Pill. We thought about it day and night.”"

- Hormonal birth control

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"Today, a growing movement of reproductive specialists has begun to campaign loudly against the standard twenty-eight-day pill regimen. The drug company Organon has come out with a new oral contraceptive, called Mircette, that cuts the seven-day placebo interval to two days. Patricia Sulak, a medical researcher at Texas A. & M. University, has shown that most women can probably stay on the Pill, straight through, for six to twelve weeks before they experience breakthrough bleeding or spot-ting. More recently, Sulak has documented precisely what the cost of the Pill’s monthly “off” week is. In a paper in the February issue of the journal ‘’Obstetrics and Gyne-cology’’, she and her colleagues documented something that will come as no surprise to most women on the Pill: during the placebo week, the number of users experiencing pelvic pain, bloating, and swelling more than triples, breast tenderness more than doubles, and headaches increase by almost fifty per cent. In other words, some women on the Pill continue to experience the kinds of side effects associated with normal menstruation. Sulak’s paper is a short, dry, academic work, of the sort intended for a narrow professional audience. But it is impossible to read it without being struck by the consequences of John Rock’s desire to please his church. In the past forty years, millions of women around the world have been given the Pill in such a way as to maximize their pain and suffering. And to what end? To pretend that the Pill was no more than a pharmaceutical version of the rhythm method?"

- Hormonal birth control

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"Today, the science is more settled, though there hasn't been a long-term study on the continuous use of oral contraceptives yet. But based on data from the long-term use of non-extended cycle birth control pills, which are chemically the same as extended cycle contraceptives, gy-necologists have largely reached the conclusion that the practice is safe. "At this point, I can't think of any OB/GYNs that would have a problem with [extended cycle oral contraception]," says Dr. Lauren Naliboff, a fellow at the American Con-gress of Obstetricians and Gynecologists. A study by the Cochrane organization found that women on extended cycle pills "fared better in terms of headaches, genital irritation, tiredness, bloating, and menstrual pain" than those on pills with monthly bleeding. A peer-reviewed article by Acta Obstetricia et Gynecologica Scandinavica acknowledged that long-term studies are lacking, but ultimately concluded that continuous use oral contraceptives showed no unique side effects beyond increased spotting, and still resulted in less "bleeding days" than non-continuous birth control pills. Philosophical and scientific debates aside, perhaps the largest barrier between women and their right to decide whether or not they want to bleed is a lack of information. Many women are una-ware that consistently skipping withdrawal bleeding is an option, let alone that extended cycle pills ex-ist, or that menstrual suppression can also be accomplished with hormonal IUDs, NuvaRing, birth control injections, and contraceptive patches."

- Hormonal birth control

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"Over the last couple of decades a reduction of estrogen by at least 80% in combined oral contraceptives (OCs) and much research have resulted in effective and safe contraception. We still do not know longterm effects of OCs however. OCs may protect against endometrial and ovarian cancer. A link between current OC use and liver cancer exists in areas where liver cancer is rare. An association between OC use and cervical cancer disappears when researchers control for sexual activity and barrier method use. Some research shows OC use increases the risk of breast cancer, while other research does not. There does appear to be an increased risk of breast cancer developing in women younger than 46 years of age and who have used OCs for at least 10 years. Women who have a preexisting cardiovascular condition and/or smoke should not use OCs. OC progestogens may impair glucose metabolism in healthy women, but just for 6 months. Women with diabetes mellitus can use OCs, but may need to increase insulin intake. OCs can cause hypertension in 4-5% of healthy women and worsen hypertension in about 9-16% of hypertensive women. Progestogen-only OCs have fewer systemic side effects than combined OCs, but often cause menstrual changes. Their long term effects are not yet known. Injectables containing a progestogen cause few, if any, adverse effects. The subdermal implant, Norplant, tends to cause menstrual disturbances, but is safe and effective. Progestogen - only vaginal rings are as effective as progestogen-only OCs, but menstrual irregularities are common. Failure rates for combined vaginal rings match those of combined OCs. Long-term effects of vaginal rings are not known. Postcoital contraception does not cause serious side effects, but may cause vomiting and menstrual irregularities. A levonorgestrel-releasing IUD is effective and reduces menstrual blood loss, sometimes resulting in amenorrhea. Hormonal injections in men are unlikely in the near future."

- Hormonal birth control

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"In fact, Dr Lippes had a predecessor in this field; Dr Lazar C. Margulies (Figure 4). Dr Margulies was born in Galicia (now part of Poland) in 1895. As a medical student, he had served in the Austro-Hungarian army during World War I. Following the armistice, he graduated from the University of Vienna in 1921, where he specialized in obstetrics and gynecology. He started practising in Vienna, but, expelled from the hospital, this Jewish gynecologist emigrated to the USA in 1941. In New York City he joined the staff of the Mount Sinai Medical Center in 1954 and was promoted to Associate Professor 9 years later. Dr Margulies died of a cerebral hemorrhage in 1982. His Chief at Mount Sinai, Dr Alan Guttmacher, who had opposed intrauterine contraception during Gräfenberg's life (Gräfenberg himself had practised at Mount Sinai for a decade and a ha1f) encouraged Dr Margulies to attempt to improve the Silver Ring. Most certainly, Guttmacher's change of mind was prompted by the alarm over the world's demographic surge, and was reinforced by the 1959 IUD papers from Israel and Japan. Gambling on the use of thermoplastics, Dr Margulies conceived his famous spiral-shaped IUD in 1960, the Perma-Spiral, marketed by the Ortho Pharmaceutical Company as Gynecoil. To insert the Margulies Spiral, the unwound device was introduced into a thin plastic tube and expelled with a plastic plunger. Dr Lippes later borrowed this technique for the insertion of his Loop IUD."

- Intrauterine device

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"In 1962, Population Council gave Guttmacher a grant “to travel around the world to assess what methods of birth control they should back.” He reported that conventional contraceptives were not working and advised the council to invest in development of the IUD. The council invited forty-two clinicians to a conference on intrauterine contraception. Tietze remembered the “conspirational air” that surrounded the conference “It was a very exiting period. . . . we were working with something that had been absolutely rejected by the profession . . . we had a great feeling of urgency to produce a method that worked. It seemed to work. Now we had to establish it. And we had to start from scratch.” The council invested more than $2.5 million in the clinical testing, improvement, and statistical evaluation of the IUD, which proved to be highly effective for the approximately seven out of ten women who could retain one. Tietze, an unusually candid man with the habit of precise expression, recalls the care with which clinicians were recruited and the effort poured into making sure that their records were accurate. There was such a feeling of urgency among professional people, not among the masses, but something had to be done. And this was something that you could do to the people rather than something people could do for themselves. So it made it very attractive to the doers. Armed at last with a method that was inexpensive and required little motivation from the user beyond initial acceptance, family planning programs began to have an effect on birth rates in South Korea, Taiwan, and Pakistan. By 1967 a review article in Demography criticized the over optimism of the Population Council technocrats about the prospects for controlling world population growth. Other social scientists claimed that population control was getting too much of the development dollar and pointed out that population control was no substitute for social justice. Lower birth rates did not guarantee a better society. Whether or not world population growth could be controlled remained an unanswered question."

- Intrauterine device

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"There are two inconsistencies in the “pro-life” movement from the viewpoint of pro-choices: There appears to be relatively little mention of IUD’s (Intra-uterine devices). The precise mechanism by which IUDS prevent pregnancy is unknown. Some researchers believe that the IUD immobilizes sperm, preventing them from reaching the ovum. Others believe that it causes the ovum to pass through the fallopian tube so fast that it is unlikely to be fertilized. Most believe that the IUD interferes with the implantation of fertilized ovum in the uterine wall. If the third property is true, then IUDs terminate the development of a fertilized ovum after conception, and cause its expulsion from the body. To a person who believes that human personhood begins at the instant of conception, there is no difference between using an IUD, having a first trimester abortion, or having a partial birth abortion, or –for that matter –strangling a newborn just after birth. Yet pro-life groups actively campaign against PBA’s, picket abortion clinics, and attempt to pass restrictive legislation limiting choice in abortion. Some have made negative statements about IUDs. But none have, to our knowledge, picketed IUD manufacturing facilities, or sponsored anti-IUD legislation. This is surprising, because in those countries where IUDs are widely used, the number of fertilized eggs which IUDs apparently expel from women’s bodies far exceeds the number of surgical abortions. About 43% of American women will have had a surgical abortion sometime during their lifetime. Women who use an IUD will expel about one fertilized ovum annually (assuming that they engage in intercourse once per week) IUDS are becoming increasingly popular. Two studies have reported effectiveness rates of 99.4 and 99.9%"

- Intrauterine device

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"Dr J. Lippes (Figure 3) is an example of the thoroughbred American (born at Buffalo, NY in 1925), who since 1957 has been Head of the Department of Obstetrics and Gynecology of the State University of New York at Buffalo. Although he had become acquainted with the Gräfenberg Ring in 1952, he had not dared to use it for fear of being accused of malpractice. Seven years later, two papers on intrauterine contraception appeared, both in English. The first, written by the Japanese gynecologist Ishihama and published in the Yokohama Medical Journal, gave an enthusiastic clinical assessment of the Ota Ring. In the second paper, Dr W. Oppenheimer of Jerusalem overviewed the results of three decades of personal experience with the modified Silk Ring. The fact that the latter paper had been accepted by the authoritative American journal of Obstetrics and Gynecology was perceived by Dr Lippes as a sign that intrauterine contraception had become a discussable subject in his country. That same year he started inserting Silk and Presea Rings under the auspices of the Buffalo PIanned Parenthood Center. The former device being too flexible, and the latter too stiff, Dr Lippes decided to remove the spokes from the Ota Ring and affix a piece of monofilament nylon to the IUD to facilitate removal and to allow the wearer to check that the device was still present. However, the modified Ring tended to rotate in utero and to wind the marker thread into the cavity, eliminating its intended uses. Therefore, to prevent IUD rotation, a radical change of shape was needed. After many experiments, the double-S Loop (the Lippes Loop) emerged in 1961. Due to its particular shape (trapezoid), the Lippes Loop fits the (relaxed uterine cavity snugly. The Lippes Loop was to become extremely popular and, of all first-generation IUDs, had the greatest worldwide impact."

- Intrauterine device

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"Giovanni Giacomo Casanova takes credit in his autobiography for inventing a primitive version of the diaphragm/cervical cap (Suitters, 1967). He placed the partly squeezed halves of lemons over his lovers’ cervices. Casanova was exaggerating his own inventiveness. Similar devices had been used for centuries around the world. Asian sex workers applied oiled paper discs to their cervices. The women of Easter Island used algae and seaweed (Himes, 1963). Sponge, tissue paper, beeswax, rubber, wool, pepper, seeds, silver, tree roots, rock salt, fruits, vegetables, and even balls of opium have all been used to cover the cervix in an attempt to prevent unintended pregnancy (Himes, 1963; London, 1998; Skuy, 1995). In 1838, German gynecologist Friedrich Wilde created rubber “pessaries” for individual patients with custom-made molds. Wilde’s pessaries resembled today's cervical caps. He used modern materials to imitate the traditional German custom of applying disks of melted and molded beeswax to the cervix to prevent conception. Primitive rubber pessaries were made by Connecticut inventor Charles Goodyear in the 1850s (Himes, 1963). Pharmacies sold them to married women, supposedly to support the uterus or hold medication in place (Chesler, 1992). By 1864, the British medical association was able to list 123 kinds of pessaries being used throughout the empire (Asbell, 1995). In America, sponges enclosed in silk nets with drawstrings attached were commonly used and advertised in newspapers and magazines (London, 1998). But the Comstock laws that were enacted in the 1870s suppressed the dissemination of contraceptive devices and information in the U.S. (Chesler, 1992)."

- Diaphragm

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"The diaphragm played a special role in Margaret Sanger’s effort to rescue America from the Comstock laws. During a trip to Holland in 1915, she learned about the use of snugly fitting spring-loaded diaphragms that were developed in Germany during the 1880s. In 1916, she was arrested and sent to jail for telling women about them. Her month in jail only strengthened her resolve to teach women how to use diaphragms —she even taught diaphragm use to the women she was with in jail (Chesler, 1992). Sanger had to find a way around the Comstock laws, which prohibited the transport of birth control devices or information through the mail. Her solution, clever ⎯as well as illegal ⎯also involved the diaphragm (Chesler, 1992). Sanger's second husband, Noah Slee, owned the company that manufactured 3-IN-ONE Oil, a lubricant for metal parts. Slee imported diaphragms from manufacturers in Germany and Holland to his factory in Montreal. He had the diaphragms packed in 3-IN-ONE cartons and shipped to New York (Chesler, 1992). Slee also solved Sanger’s difficulty obtaining contraceptive jelly to use with the diaphragm. He got the German formula and manufactured the jelly ⎯illegally⎯ at his plant in Rahway, New Jersey. In 1925, he put up the money for founding the Holland-Rantos Company, which manufactured the first American diaphragms, and ended the need for contraband versions (Chesler, 1992). Sanger met a Japanese physician at an international conference on birth control and got him to mail her a package of diaphragms in 1932, but the package was confiscated by U.S. Customs officers. Undeterred, Sanger decided to test the Comstock laws that forbade distribution of contraceptives and contraceptive information through the mail (Chesler, 1992). She arranged to have another package of diaphragms mailed from Japan to Dr. Hannah Meyer Stone, a New York City physician who supported Sanger's crusade for reproductive rights. This package was also seized by Customs (Chesler, 1992). In 1936, Manhattan Judge Augustus Hand, writing for the U.S. Court of Appeals of the Second Circuit, ruled that the package could be delivered. The case, United States v. One Package—said package “containing 120 rubber pessaries, more or less, being articles to prevent conception” ⎯was a watershed in U.S. birth control history. It severely weakened the federal Comstock law that had prevented dissemination of contraceptive information and supplies since 1873 (Chesler, 1992)."

- Diaphragm

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"Alan F. Guttmacher, chief of obstetrics at Mount Sinai Hospital in New York City and a member of the medical advisory committee of the council, had warned against intrauterine devices in his popular marriage manual, but when a member of his department at Mount Sinai approached him in 1958 with an idea for a new kind of IUD, Guttmacher listened. Dr.Lazar Margulies, who was Berlin trained and who had used an intrauterine device in the late twenties in Berlin came to me with the idea that an intrauterine device could be made of molded plastic and the advantage was that you could stretch it to a linear form. . . and it would resume its original shape. Marguies has been inspired to give the old method a second look when he heard John Rock, the Harvard gynecologist who had served on the AMA committee on contraception in the 1930s and who has the object of an intense lobbying effort by Robert Dickinson, lecture on the dangers of overpopulation. The substitution of plastic for wire meant that the device could be inserted without dilating the cervix (stretching the mouth of the womb), a painful procedure that required local anesthesia. The molded plastic coil was unwound into a thin rod, the rod slipped into the uterus, and the coil pushed out of the rod into the uterus, where it regained its original shape. Guttmacher allowed Margulies to try out the device “with some fear and hesitation because I was taught in medical school how dangerous the intrauterine device was.” They worked. Patients did not die of pelvic inflammatory disease or develop galloping cancer."

- Intrauterine device

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"Conscious of the hazards inherent in the use of interuterine devices, Dr Grafenberg took up the search for the serviceable IUD in the early 1920s. Whether he knew about Dr Richter's pessary remains an open question. Initially, he used star-shaped devices and coils of silkworm gut (1924). Because they were expelled too readily, he conceived the Ring IUD, made of helicoidal1y wound silver filaments, which still bears his name. He did not hesitate to publish clinical results (1928-30), thus making his invention known beyond the boundaries of his native Germany. Shortly thereafter, other European physicians added statistics, issuing an increasing number of damaging reports of pelvic inflammatory disease associated with IUD use. Gräfenberg's last presentation on the subject was in 1931 at the German Congress of Gynecology in Frankfurt. His report was denounced by virtually all leaders of German gynecology attending the congress, who branded intrauterine contraception as a medically unacceptable method of birth control. Shortly thereafter, the streamroller of the Nazi regime started poisoning the air of Germany. Jewish physicians were removed from the hospital posts and contraception was proclaimed to be a threat to the physical and mental health of Aryan women. Ultimately, the advertising of contraceptives and/or contraceptive advice became illegal in Germany and the other Axis States. Barred from practice and research, ostracized by his colleagues and persecuted by the authorities, Dr Gräfenberg left Germany in 1940. He arrived in New York in 1941, where he resumed a busy life as an obstetrician and gynecologist. His scientific reputation opened the doors of a teaching hospital (Mount Sinai Medical Center) and the New York Birth Control Clinical Research Bureau (later renamed Margaret Sanger Research Bureau after the nurse who convinced America that control of conception is a basic human right). Dr Gräfenberg was able to resume his research, but in America, as well as in Europe, the fight for the acceptance of family planning had not yet been won. Notwithstanding these barriers, Dr Gräfenberg, according to his friend and his former Berlin assistant Dr Hans Lehfeld, transgressed medical rules and continued to use the Ring, albeit in private practice and in secret."

- Intrauterine device

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