What are the main causes of Infertility ?

Age, life style, biological and medical factors play a role in the fertility of both males and females.

Male factor                        35-40%
Female factors                   45-50%        [combined (10-15%)]
Unexplained                       10-15%

MALE CAUSES:


1) Functional Defects        :    Erectile dysfunction
Premature Ejaculation
Retrograde Ejaculation


2) Pathological parameters    :    O Functional sperm conc, < 20 million
A Functional motile sperm < 50%
T Morphology            < 30%


3) Azoospermia            :    Man with no sperm in the ejaculate but has sperm in the testis


4) Other factors            :    Varicocele / Hydrocele
Undescended testis
Working trends & environment

FEMALE CAUSES:

1) Ovulatory disorders         :    Menstrual irregularities

2) Altered functions of        :    Endometriosis
Fallopian tune
Fibroids 
Infections
3) Anatomical defects