1. I sank into silence totally. When I wrote "oligospermia" on his checkup form, I felt my eyes were also wet.

2. Objective Investigate the relation between severe oligospermia and chromosome translocation, chromosome polymorphism.

3. Conclusion Mutation of Exon A in AR gene plays an important part in infertile men with oligospermia.

4. Conclusion:Mutation of Exon A in AR gene plays a very important part in development of infertile men with oligospermia .

5. Aim: To investigate the efficiency and safety of compound arginine in the treatment of asthenospermia and oligospermia.

6. Conclusion: It is suggested that compound arginine can be used to treat asthenospermia and oligospermia without severe adverse reaction.

7. Conclusion: Screening specific proteins in seminal plasma of oligospermic patients is important for understanding the mechanism of oligospermia and screening suspected oligospermic individuals.

8. Objective: To study the imprinting status of H19 in oligospermia and asthenospermia and to investigate the correlation between H19 and spermatogenesiss disturbance.

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9. Conclusion:Androgen resistance is one of the important cause for male infertility of oligospermia, particularly severe oligospermia or azoospermia.

10. Methods: Chromosomal karyotypes were examined in 199 male patients with oligospermia and azoospermia history by periphery blood lymphocyte culture and G banding.

11. Objective To investigate the clinical value of the determinations of serum sex hormone in the patients with oligospermia and azoospermia.

12. ObjectiveTo study the mechanism of proliferation and apoptosis in germ cell of idiopathic oligospermia.

13. Objective:To investigate the effects of Shengjingbao on spermatogenesis in the mouse model of oligospermia and its action mechanisms.

14. Objective In order to efficiently evaluate the result to treat oligospermia or asthenozoospermia with combination of Chinese Traditional and Western medicine.

15. To investigate the relationship between spermatogenesis disorder and genetic defects of patients with azoospermia or severe oligospermia.

16. It has been proved that the deletion of azoospermia factor (AZF) could cause azoospermia or severe oligospermia.

17. Adverse effects were bilateral nosocomial pneumonia in 2 patients, late endocrine dysfunction in 3 patients, and oligospermia in 9 patients. There were no deaths.