SOME PERINATAL OBSERVATIONS ON TWINS.
D001720:Birth Injuries; D001722:Birth Order; D001724:Birth Weight; D000013:Congenital Abnormalities; D005260:Female; D005313:Fetal Death; D006801:Humans; D007223:Infant; D007226:Infant Mortality; D007231:Infant, Newborn; D008431:Maternal-Fetal Exchange; D011247:Pregnancy; D011297:Prenatal Exposure Delayed Effects; D012127:Respiratory Distress Syndrome, Newborn; D014427:Twins
ABNORMALITIES; BIRTH INJURY; BIRTH ORDER; BIRTH WEIGHT; FETAL DEATH; INFANT MORTALITY; INFANT, NEWBORN; MATERNAL-FETAL EXCHANGE; PREGNANCY; PRENATAL INFLUENCES; RESPIRATORY DISTRESS SYNDROME; TWINS