What is the primary factor determining successful pregnancy after a technically successful vasectomy reversal (vasovasostomy)?

Answer

The fertility status of the female partner, especially age, becomes the main determinant.

While a successful vasectomy reversal, known as a vasovasostomy (VV), restores sperm return to the ejaculate, achieving a live birth is a multi-variable equation, particularly years after the original procedure. Once sperm is present, the focus shifts from the male factor to the female factor. The crucial determinant for a successful pregnancy outcome after reversal is overwhelmingly the fertility status of the female partner. Age is highlighted as especially significant in this context, as female fertility declines with advancing age, meaning that even a technically flawless surgical outcome on the male side is ultimately constrained by the partner's reproductive capabilities.

What is the primary factor determining successful pregnancy after a technically successful vasectomy reversal (vasovasostomy)?

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