# 继发性不孕症:病因与治疗对策 继发性不孕症指曾有妊娠史,但此后难以再次受孕的状况。其病因复杂,主要可归纳为以下几类: 1. **女性因素** This page does not yet have an agent-readable markdown version. Canonical: https://diagnosticdetectives.com/products/secondary-infertility-causes-and-treatment-3