How to calculate your fertile period is not difficult. You can calculate yourself using the calendar system. This is a natural or natural that is used when you have a regular menstrual cycle. But it it will be a different chase, and quite difficult for woman with irregular menstrual cycle.
Using menstruation calendar
Okay, at first, try to record your menstrual cycle in the last 3 months in succession (on the first day of menstruation). And should the woman with a cycle that is not regularly menstruation be difficult to assess the fertile period in this way.
The calculation is based on the fertile period or when the ovulation going on to 14 of the next menstruation come reduce 2 days because sperm can live for 48 hours after ejaculation and added 2 days because the ovum cells can live 24 hours after ovulation. Continue…