Table 1.
Question | Underestimated | Correct | Overestimated |
---|---|---|---|
1. How long is the ovum viable for fertilization? | <0.5 day | 0.5–1 day | >1 day |
2. How long does sperm usually survive in the uterus/fallopian tubes? | <2 days | 2–3 days | >3 days |
3. What is the probability that a 25-year-old woman becomes pregnant if she has unprotected intercourse with a young man at ovulation? | <20% | 20%–30% | >30% |
4. At what age begins a marked decline in a woman’s ability to conceive? | <33 years | 33–37 years | >37 years |
5. What are the chances of having a child through IVF, for each attempt? | <20% | 20%–30% | >30% |