What type of physician treats women during pregnancy and childbirth?

An obstetrician is a physician who specializes in providing care to women during pregnancy and childbirth. This specialty encompasses a wide range of responsibilities, such as monitoring the health of both the mother and the fetus, managing labor and delivery, and addressing any complications that may arise during pregnancy or childbirth. Obstetricians are trained to perform deliveries and provide postnatal care as well, making them integral in the prenatal and perinatal stages of healthcare.

The other specialties listed do not focus on the specific needs of pregnant women. A pediatrician primarily cares for infants, children, and adolescents, making them crucial for post-delivery care but not involved in the pregnancy process itself. A gynecologist may deal with women's reproductive health but typically does not focus on the delivery aspects of childbirth, which is the domain of an obstetrician. An endocrinologist specializes in hormone-related conditions, which might indirectly relate to pregnancy in some instances, but they do not provide the direct care needed during childbirth. Therefore, the obstetrician is the correct choice as it directly relates to the treatment and care of women during pregnancy and childbirth.