Unable to Conceive Underlying Cause
The causes of infertility include male causes and female causes.
|Infertility Cause||% of Total Cases|
|Male sperm factors||40%|
|Abnormal fallopian tube function||30%|
Unable to Conceive Females
Causes of infertility in women include:
Unable to Conceive Males
Causes of infertility in men include:
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- Egozcue J, Blanco J, Anton E, Egozcue S, Sarrate Z, Vidal F. Genetic analysis of sperm and implications of severe male infertility--a review. Placenta. 2003 Oct;24 Suppl B:S62-5. 
- Pandian Z, Bhattacharya S, Templeton A. Review of unexplained infertility and obstetric outcome: a 10 year review. Hum Reprod. 2001 Dec;16(12):2593-7. 
- Pritts EA. Fibroids and infertility: a systematic review of the evidence. Obstet Gynecol Surv. 2001 Aug;56(8):483-91.