Multiple and singleton pregnancy: differences between mothers as well as offspring.
D001724:Birth Weight; D001827:Body Height; D004200:Diseases in Twins; D005260:Female; D006801:Humans; D007713:Klinefelter Syndrome / Q000209:etiology; D008297:Male; D008423:Maternal Age; D008593:Menopause; D010298:Parity; D006831:Polyhydramnios / Q000209:etiology; D011225:Pre-Eclampsia / Q000209:etiology; D011247:Pregnancy; D011248:Pregnancy Complications / Q000209:etiology / Q000401:mortality; D011272:Pregnancy, Multiple; D013997:Time Factors; D014424:Turner Syndrome / Q000209:etiology; D014429:Twins, Dizygotic; D014430:Twins, Monozygotic