Pregnancy after age 35.
Bowers
Nancy A
NA
Gromada
Karen Kerkhoff
KK
D000328:Adult; D005260:Female; D006801:Humans; D015994:Incidence; D008423:Maternal Age; D008875:Middle Aged; D011247:Pregnancy; D011248:Pregnancy Complications / Q000453:epidemiology; D018566:Pregnancy, High-Risk; D011272:Pregnancy, Multiple / Q000706:statistics & numerical data*; D014481:United States / Q000453:epidemiology