 For example, a crushed or mangled man may not be permitted to marry anyone but a convert under Jewish law, and halachic authorities see vasectomy as a form of maiming, even if already married to a non-convert becoming maimed intentionally or accidentally including a vasectomy does obligate divorce unless a successful repair surgery is performed and sperm flow is returned (based on Deuteronomy ).When Orthodox Jewish couples contemplate the use of contraceptives, they generally consult a rabbi competent on this topic who evaluates the need for the intervention and which method is preferable from a "halachic" point of view.The Midrash of Genesis speaks of the origins of oral contraceptives