Inability to conceive despite unprotected sexual cohabitation for an extended period is termed:
AAmenorrhea
BInfertility
CSterility
DImpotency
Answer & Solution
Correct answer: B. Infertility
**Infertility** is the inability to produce children despite unprotected sexual cohabitation. NCERT also notes that the cause often lies with the male partner — contrary to common social blame on the female.
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