- Miscarriage. Approximately 600,000 miscarriages occur every year in the U.S.
- Termination. The majority of lost pregnancies occur when women opt to terminate, or abort, their pregnancy. About 1.2 million pregnancies are lost each year this way.
- Ectopic pregnancy. Around 64,000 ectopic pregnancies happen every year in this country. An ectopic pregnancy is a nonviable pregnancy growing outside the womb.
- Molar pregnancy. This form of pregnancy loss occurs about 6,000 times a year in the U.S. These are abnormal genetic pregnancies without an identifiable or viable fetus.
- Stillbirth. Approximately 26,000 women experience loss through stillbirth at a viable gestational age.
Some of the complications associated with pregnancy and childbirth are pregnancy-related depression, pregnancy-related obesity and a multitude of infections. Due to the possibility of losing a pregnancy and the complications which can plague even a successful childbirth, pregnancy is the most dangerous normal physiologic state that a human can experience.