embryo model fetus for classroom education closeup

baby fetus embryo model classroom education womb birth ivf surrogacy infant oligohydramnios pregnant premature ultrasound abortion amniocentsis amniotic anatomy background belly cervix child childbirth concept cord development fertility figure gynecologist health healthcare hospital human inutero life liquor medicine new newborn placenta polyhydramnios pregnancy reproductive sac science symbol umbilical unborn uterus for closeup closeup