Most common cause of spontaneous abortion in first trimester:
Ans: A (Chromosomal anomalies) Ref: Dutta: Textbook of Obstetrics 7th ed pg 160Explanation:COMMON CAUSES OF MISCARRIAGEFirst TrimesterGenetic factors Endocrine Immunological disorders InfectionUnexplainedSecond TrimesterAnatomicCervical incompetenceBicomuate uterusSeptate uterusUterine synechiaeUterine fibroidMaternal medical illnessUnexplained
Chromosomal anomalies
Uterine anomalies
Antiphospholipid antibody syndrome
Hypothyroidism
First-Trimester Spontaneous Abortion