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One of the legal methods of birth control is:

1. by abstaining from coitus from day 10 to 17 of the menstrual cycle
2. by having coitus at the time of day break
3. by a premature ejaculation during coitus
4. by abortion by taking an appropriate medicine

Correct answer: by abstaining from coitus from day 10 to 17 of the menstrual cycle

Solution

The menstrual cycle has a fertile period around ovulation, roughly mid-cycle. Avoiding coitus during days 10 to 17 is a form of natural family planning that reduces the chance of sperm meeting an egg.

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