"The State Has No Interest in Increasing Its Population; on the Contrary, Its Interest, if Any, Is in Limiting Population Growth. In view of the increasing public concern over our rapidly multiplying population, any supposed state interest in increasing the number of lives in being can hardly be raised as a justification for the prohibition of abortion. Indeed, the growing emphasis of both federal and state agencies upon preplanning of families and limitation of their size makes manifestly inconsistent treating the termination of pregnancy as a crime, while birth control devices are not merely permitted but are openly promoted and encouraged by the government...."