embryo in womb medical diagram. flat healthcare . placentation of twins in uterus during position. monozygotic

anatomy baby background biology body cord delivery design diagram diamniotic dichorionic education embryo female fetal fetus flat foetus fraternal front genetics gynecology head identical illustration infographic internal locations medical medicine monochorionic monozygotic mother motherhood newborn normal placenta placental placentation praevia pregnancy pregnant prenatal previa umbilical uterus vector white woman womb