Procedure
to find out the safe period
1. First, one should know the duration of the cycle, i.e. first day of the
last menstrual bleeding to the first day of the present menstrual bleeding.
This is the duration of the menstrual cycle. This duration varies from
person to person & is usually between 26 to 31 days.
2. Ovulation approximately occurs in the middle of the cycle, i.e. duration
of the cycle - (minus) 14 days (this also varies).
3. A week before and a week after the
approximate day of ovulation is considered to be Fertile period.
The days apart from this is called the safe
periods, where the fertilization does not takes place.
So, to calculate
the safe period you must know the fertile period.
4. Calculation of fertile period: The shortest cycle minus 18 days=1st day
of fertile period. The longest cycle minus 10 days= last day of fertile
period.
Example: if a women's menstrual cycle varies from 26days to 31days cycle,
The shortest cycle: [26days] - [18days] = [8th day].
The longest cycle : [31days] - [10days] = [21st day].
Thus, 8th to 21st day of each cycle counting from first day of menstrual
period is considered as fertile period.
Period other than this
fertile period in a menstrual cycle is considered as
SAFE PERIOD.
If you wants to avoid
pregnancy avoid inter-course during fertile period. Safe period is safe for
se-xual activity.
Note: Because the above
method is not 100% safe then You may consider the above suggestion at your
own risk. It is better to consult any gynecologist personally along with
your wife to calculate the safe period. |