This chart demonstrates when women have abortions measured in the number of weeks from their last menstrual period. Eighty-eight percent of abortions occur in the first 12 weeks. Source: Guttmacher Institute.

Abortion Bill Would Define Life as Beginning at Conception

Women who decide to seek an abortion rarely make that decision after the first 20 weeks of pregnancy, according to an international research institute on reproductive health. But a legislative proposal in Iowa uses scientifically debatable assertions about fetal pain to target those few women. The proposal also carries a sweeping provision that could have major legal consequences for any woman who chooses to get an abortion, physicians and legal experts say.