if the length of reproductive cycle of a human female is 35 days, what will be time period of periodic abstinence ? - 10-17 days
- 14-20 days
- 18-24 days
- 5-12 days
if the length of reproductive cycle of a human female is 35 days, what will be time period of periodic abstinence ?
- 10-17 days
- 14-20 days
- 18-24 days
- 5-12 days










