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Updated: May 14, 2026

Vessel-Sparing Microsurgical Longitudinal Intussusception Vasoepididymostomy to Treat Epididymal Obstructive Azoospermia
Published on: May 27, 2022
[Pregnancy by a man with severe oligospermia after vasectomy: a case report]
1Department of Reproductive Medicine, Maternal and Child Health Care Center of Linyi City, Linyi, Shandong 276000, China. xujinglingemail@126.com
Objective:
To analyze the risk of pregnancy in the woman whose husband has severe oligospermia after vasectomy.
Methods:
A woman was found pregnant, whose husband, a 35-year-old man, had received vasectomy two years before. Two seminal examinations at the interval of 7 days showed the total number of motile sperm to be 0.047 x 10(6) and 0.044 x 10(6), respectively. DNA analysis after miscarriage exhibited a 99.9996% relative chance paternity (RCP).
Results:
DNA analysis proved the biological paternity of the man with severe oligospermia after vasectomy.
Conclusion:
A man with severe oligospermia after vasectomy could make his wife pregnant.
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