anatomy of the uterus with twin fetuses. placement of dizygotic twins. flat

twin anatomy human infant medicine pregnancy development gene genetics growth newborn biology birth science fertility graphics motherhood mom infographics examination exam childbirth month stage type identical inside liquid brother scheme uterus embryo gynecology fetus health life drawing mother organ sister ultrasound prenatal child pregnant unborn physiology ðžñð½ð¾ð²ð½ñ‹ðµ rgb double pregnancy fetuses placement dizygotic twins flat illustration