A couple asks why intercourse several days before ovulation can still result in pregnancy. Which response is most accurate?
Correct answer: A. Sperm may remain viable in the female tract for several days
- A. Sperm may remain viable in the female tract for several days
- B. The ovum remains viable for about one menstrual cycle
- C. Implantation occurs immediately after intercourse
- D. Menstruation permanently stores sperm in the uterus
Explanation
Sperm can remain viable in favourable cervical mucus for several days, so they may be present when ovulation occurs. The ovum has a much shorter viable period after ovulation, and implantation does not occur immediately after intercourse.
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About Reproductive Anatomy and Conception
Female and male reproductive organs, pelvic anatomy, gametogenesis, the menstrual cycle and the hormonal control of ovulation lead into fertilisation, implantation and early embryonic development. Questions distinguish ovulation from menstruation, fertilisation from implantation, and the normal anatomical changes that allow conception and pregnancy to occur.
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