Functions of an obstetrician Gynecologists and obstetricians both deal with the wellbeing of females and obstetricians especially deal with pregnant mothers. The procedures and functions that they perform include:- Normal delivery and performing essential assisting steps. Obstetricians are responsible for working in collaboration with midwives to monitor and assist normal delivery in a woman during labour. Their functions include facilitating delivery by performing episiotomy that involves placing strategic cuts over the perineum of the pregnant mother to enlarge the birth canal.