[The incidence of blighted ova in relation to the age of the mother].
D000028:Abortion, Induced; D000022:Abortion, Spontaneous; D000375:Aging; D005260:Female; D005313:Fetal Death; D006801:Humans; D015994:Incidence; D009035:Mothers; D010063:Ovum; D011247:Pregnancy
ABORTION; AGING; OVUM