irregular menstruation

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    USMLE MTB CK chronic lung disease alters the menstrual cycle?

    MTB CK Page 158: Cystic fibrosis Genitourinary Involvement Men are often infertile; 95% have azoospermia, with the vas deferens missing in 20%. Women are infertile because chronic lung disease alters the menstrual cycle and thick cervical mucus blocks sperm entry. what's the mechanism of...
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