Obstetrician n. : One skilled in obstetrics; an accoucheur.

Example:
To be an Obstetrician do you have to be very good in math?Why?How do Obstetricians use math?

Taxonomy
pregnancy, fetus, risk, placenta, Obstetrics, obstetrician, mother, Induction, women, first trimester, patients, risk factors, uterus, birth, ultrasound, amniocentesis, second trimester, gestational age.

Defination from the web:
obstetrician or midwife sees a pregnant woman on a regular basis to check the progress of the pregnancy, to verify the ... The fetus is palpated by the midwife or obstetrician using Leopold maneuver to determine the position of the baby. ...