Middle-aged mothers live longer.
Perls
T T
TT
Alpert
L
L
Fretts
R C
RC
D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D005075:Biological Evolution; D005260:Female; D006801:Humans; D008136:Longevity; D008423:Maternal Age; D008593:Menopause; D008875:Middle Aged; D018566:Pregnancy, High-Risk