title: Advanced maternal age--how old is too old?
authors.affiliation: Department of Obstetrics and Gynecology, Boston University School of Medicine, Boston, USA.
authors.forename: Linda J
authors.initials: LJ
authors.lastname: Heffner
mesh_terms: D000022:Abortion, Spontaneous / Q000453:epidemiology; D000328:Adult; D000367:Age Factors; D025063:Chromosome Disorders / Q000453:epidemiology; D005260:Female; D005298:Fertility; D006801:Humans; D008423:Maternal Age; D008875:Middle Aged; D011247:Pregnancy; D011248:Pregnancy Complications; D011256:Pregnancy Outcome; D018566:Pregnancy, High-Risk; D043762:Reproductive Behavior; D027724:Reproductive Techniques, Assisted; D012307:Risk Factors