Most common cause of early miscarriages is: (A) Natural diabetes, (B) Cervical incompetence, (C) Chromosomal abnormality, (D) Genitourinary infections
Answer is C. Ans. c (Chromosomal abnormality). (Ref. Dutta, Obstetrics, 5th ed., 211)ETIOLOGY OF SPONTANEOUS ABORTION/MISCARRIAGE1. Ova- fetal factors (60%)- operate in early abortion.# Chromosomal abnormality (commonest being autosomal trisomy, monosomy)# Gross congenital malformations.# Blighted ovum, hydropic degeneration of villi# Interference with circulation (cord twist)