Mixed blessings for middle-aged mothers.
Heeb
P
P
Brinkhof
M W
MW
D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D005075:Biological Evolution; D005260:Female; D006801:Humans; D008136:Longevity; D008423:Maternal Age; D018566:Pregnancy, High-Risk; D012641:Selection, Genetic