To understand the woman's fertile cycle

The women can make a register to detect the moment of maximum fertility.
A cycle typical ovulatory is from 27 to 28 days. The ovulation takes place amid the cycle and it can cause a light pain to one or another side of the higher part of the Fallopian tubes.
Sometimes, you will observe small blemishes of blood when the mature ovum comes out of the ovaries.

Another mode of registering the ovulation is using a basal thermometer, of sale in drug stores. This registers the lightest changes of temperature that happen when ovulating.
You follow the instructions and a pattern of your ovulation will obtain.

To conclude, it can identify your flow of the hormone LH that (in drug stores they bandage the test) are released from 24 to 36 hours before the ovulation. If you don't have flow of LH, you have not ovulated.

The men can also be made tests to know the number and the quality of the spermatozoa and in the event of not being of good quality, this can be in good part or completely solved with a good diet based on a healthy power supply.