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  3. Biology
  4. On which of the following facts does the method of periodic abstinence is based?

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Q. On which of the following facts does the method of periodic abstinence is based?

Reproductive Health

Solution:

Periodic abstinence is a method of contraception in which the couples avoid intercourse from day $10$ to $17$ of the menstrual cycle because ovulation can occur during this period. The chances of fertilisation are high during this period. Ovum remains alive for above $1-2$ days and sperm survives for about $3$ days.