What happened to the postcoital test (PCT) test?
Cervical mucus changes throughout a woman’s cycle. After the menstrual flow has ceased, the cervix begins producing cervical mucus in response to the increasing levels of estrogen. The mucus increases in volume and the texture changes. Estrogen increases until ovulation and the mucus (referred to as fertile mucus) becomes clear, slippery, and stretchy. Once ovulation occurs,
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