how can scientific understanding of human females help us a contraceptive measure?
Answers
Answer:
Explanation:
Scientific understanding of menstrual cycle of human females are very important as a contraceptive measures.
It helps in following ways :
(i) Safe period (Rhythm method)
A week before and a week after menstrual bleeding is considered as safe period for sexual intercourse.
The idea is based on following facts :
(A) Ovulation occurs on 14th day of cycle and ovum survives for about 2 days.
(B) Sperms remain alive for about 3 days.
This method reduces the chances of pregnancy by about 80%.
(ii) Pills used by females are also dependent on menstrual cycle. The pills have to be taken daily for a period of 21 days starting preferably within first five days of menstrual cycle.
It is repeated again after period of 7 days.
Hope your doubt is clear