anatomy of abdomen with twins. twin types infographic s in flat . monozygotic or dizygotic placentation of twins

anatomy baby belly biology birth care child delivery development diamniotic embryo female fertility fetal fetus growth gynecology health human illustration infant life medical medicine model monoamniotic monochorionic mother newborn placenta pregnancy pregnant premature prenatal pressure reproduction science twins ultrasound umbilical unborn uterus vaginal visible white woman womb