Girl may become fertile as soon as she starts menstruating but it, does not happen mostly. Ripening of egg cells starts after the menses have been established. This interval between start of menses and capability to reproduce is known as adolescent sterility.

 

What is the relation of age of women with fertility?

Fertility of a woman starting at puberty gradually rises to its peak during twenties and then slowly comes down and later on more rapidly. After menopause there is no scope of any pregnancy.

 

What is the relation of age and fertility in males?

 

At puberty boy becomes fertile when sperm cells begin to be formed in testes. Once erection and ejaculation is there he can make a woman pregnant. Males fertility lasts up to much later in life than female. But it is true that their fertility is reduced after the middle age.

What are the causes of infertility in males?

Role of male partner in reproduction is to deposit healthy sperm at

the entrance of the uterus. If husband is not able to do so or his

sperms are defective or very less in number, lady can not become

fertile.

Man may be impotent but still fertile.

 

What are sperm deficiencies?

In most of the people impaired fertility is due to deficiency either in number of spermatozoa, their vitality or equality. Azospermia is responsible for about 10% of cases for infertility.

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Men`s Health Erectile Dysfunction