twins in the womb, monozygotic twins in uterus with single placenta, human twin fetuses, prenatal growing baby,

organ pink red hand food finger flower petal produce mouth limb skin nose leg head lip arm rendered medically accurate twins womb monozygotic uterus single placenta human twin fetuses prenatal growing baby pregnancy health fetal render abortion amniotic anatomy artwork biology birth child chorion conception development embryo embryonic female fertility fetus growth gynecology healthy utero infant inside life medical medicine newborn physiology pregnant rendering reproduction science stage two ultrasound umbilical unborn week