Norplant can protect against pregnancy for up to five years.

Tonight, I call on parents and leaders all across this country to join together in a national campaign against teen pregnancy to make a difference.

One injection gives protection against pregnancy for three months.

How long must your period have stopped before you don't have to take precautions against pregnancy.

If expulsion occurs, the woman is not protected against pregnancy.

Until the 1950's most doctors advised against pregnancy for women with multiple sclerosis.

She is a regular on the lecture circuit, speaking against teen pregnancy.

And, they said, since information about contraception is everywhere, women had a moral responsibility to make some effort to "protect themselves" against pregnancy.

And condoms are hardly 100 percent effective against pregnancy or disease.