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Which physical change indicates impending ovulation?

a) Necrotic endometrium
b) Thin, stringy cervical mucus
c) Thickened endometrial secretions
d) Dilation of endometrial blood vessels

User Enze Chi
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Final answer:

Monitoring cervical mucus can help predict ovulation and determine the timing to avoid unprotected sex and prevent pregnancy.

Step-by-step explanation:

Monitoring cervical mucus has the potential for being more effective than monitoring basal body temperature because it can predict ovulation ahead of time. As ovulation approaches, cervical secretions usually increase in the amount and become thinner (which helps sperm swim through the cervical canal). By recognizing the changing characteristics of cervical mucus, ovulation timing can be predicted. From this information, it can be determined when to avoid unprotected sex to prevent pregnancy.

User Dpacman
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