Dextrocardia, situs inversus, and twinning.
D018376:Cardiovascular Abnormalities; D002319:Cardiovascular System; D003914:Dextrocardia; D011247:Pregnancy; D011272:Pregnancy, Multiple; D012857:Situs Inversus
CARDIOVASCULAR DEFECTS, CONGENITAL; PREGNANCY, MULTIPLE; SITUS INVERSUS