A couple that has tried to have a child unsuccessfully after 2 years of unprotected sexual intercourse in the absence of known reproductive pathology is termed as Infertile.

A couple shall approach the doctor for proper clinical evaluation after the above said period if they are unable to have a child.

Infertility is sub-divided into 2 types:

Primary Infertility

Secondary Infertility

Primary Infertility is defined as a couple who have never been able to conceive. And the Secondary Infertility is termed as a couple who have difficulty in conceiving after already having conceived in past.


It is estimated that one in 6 couples have this infertility problem either primary infertility or secondary infertility and it is increasing these days due to various factors especially in India.

Depending upon the problem of the partner it is grouped into Male infertility and female infertility.

Male Infertility refers to the infertility in the couple owing to problems of male partner and Female infertility refers to infertility in the couple owing to problems of female partner.

The causative factors are different for male infertility and female infertility. A couple may be infertile either due to a problem in one partner or both the partners at the same time that means a couple may be sterile or infertile or childless due to causes of Male Infertility and Female Infertility separately or both together at the same time.

Causes of Infertility

Male Infertility

Female Infertility