Such a person uninformed about contraception can cause a pregnancy or get pregnant. ... In other words, if a girl takes the pill or a guy takes condoms with him on a date, each would then have to realize that sex was a distinct possibility on that date. ... that prevents the release of eggs by imitating the early stages of pregnancy, during which ovulation does not occur. ... are stopped long enough once a month to allow bleeding to occur, but not long enough to permit an egg to appear.
|Title||:||How to Do a University|
|Publisher||:||John Wiley & Sons - 1971-01-01|