According to the World Health Organization definition, a couple is considered infertile when pregnancy has not been achieved after a year of unprotected and regular sex. However, in clinical practice in cases where the woman is over 35 years old, this period falls to 6 months. The IVF treatment comes up with the best deal.
Infertility is not, however, synonymous with sterility’s ultimate inability to conceive. In fact, most couples who have difficulty getting pregnant are not sterile, but only infertile or sub-fertile, that is, they have a reduced ability to conceive spontaneously in a natural way, but may nevertheless have children through the help of a doctor. Infertility may also manifest itself only after the birth of the first child, making it difficult to conceive a second or more child. It is called secondary infertility.
What are the causes of infertility?
The most common causes of infertility are ovulation