Chromosomal abnormality disorders - Syndromes
Meiotic non-disjunction resulting in aneuploidy, The potential for genetic abnormalities increase with maternal age.
Autosomal chromosome aneuploidy
trisomy 21 - Down syndrome
trisomy 18 - Edwards syndrome
trisomy 13 - Patau syndrome
Sex chromosome aneuploidy
monosomy X - Turner's Syndrome
trisomy X - Triple-X syndrome
47 XXY - Klinefelter's Syndrome
Male Gametogenesis
