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[Neurovegetative factors that influence fertility]
L M Gonzalo-Sanz1, M L Pérez de Obanos
1Departamento de Anatomía, Facultad de Medicina, Universidad de Navarra, Pamplona, España.
Revista Espanola De Fisiologia
|January 1, 1989
Summary
Unilateral ovariectomy boosts rat fertility. Ovarian nerve surgeries (splanchnicotomy, vagotomy, pelvicotomy) initially decrease fertility, but this effect is reversed with contralateral ovariectomy, enhancing implantation rates.
Area of Science:
- Reproductive biology
- Neuroendocrinology
- Autonomic nervous system
Context:
- The autonomic nervous system's role in ovarian function is not fully understood.
- Ovarian innervation patterns and their influence on fertility require further investigation.
Purpose:
- To investigate the role of ovarian neurotomies (splanchnicotomy, vagotomy, pelvicotomy) on rat fertility.
- To determine the impact of these neurotomies, with or without contralateral ovariectomy, on reproductive outcomes.
Summary:
- Unilateral ovariectomy increased fertility from 90% to 100%.
- Ovarian splanchnicotomy, vagotomy, and pelvicotomy reduced fertility to 40-60%.
- Combining neurotomy with contralateral ovariectomy restored fertility to 100% and increased embryo implantation on the neurotomy side.
Impact:
- Demonstrates that ovarian innervation significantly influences fertility and embryo implantation.
- Suggests that autonomic pathways modulate ovarian receptivity and reproductive success.
- Highlights the complex interplay between surgical intervention, nerve pathways, and fertility outcomes.