THE PREVENTION OF PREMATURITY IN MULTIPLE PREGNANCY.
D004562:Electrocardiography; D005260:Female; D005313:Fetal Death; D005318:Fetal Heart; D006801:Humans; D007223:Infant; D007226:Infant Mortality; D007231:Infant, Newborn; D007234:Infant, Premature; D011247:Pregnancy; D011272:Pregnancy, Multiple; D011315:Preventive Medicine
ELECTROCARDIOGRAPHY; FETAL DEATH; FETAL HEART; INFANT MORTALITY; INFANT, NEWBORN; INFANT, PREMATURE; PREGNANCY; PREGNANCY, MULTIPLE; PREVENTIVE MEDICINE