An obstetrician is a physician who delivers babies and treats pregnant women. Gynaecologists are doctors who specialize in the female reproductive system, while obstetricians are doctors who specialize in pregnancy, childbirth and child health. If you are pregnant it’s advisable to see an obstetrician who has the necessary skills and qualifications to help with pregnancy, labour, birth and new baby care as well as provide gynecological health checks. An obstetrician-gynaecologist (or OBGYN) can be a family GP or an OB/GYN specialist. Obstetrician-gynaecologists treat conditions specific to women such as menstrual problems, pregnancy complications, cancers of the reproductive system, pelvic pain etc., perform ultrasounds on female organs which includes scanning for ovarian.