53 patients attending the infertility clinic were operated for ovarian endometriosis. The overall pregnancy rate was 53%. The major benefit of the surgery was that 79% of the pregnancies occurred within the year following the operation. © 1978.
Brosens, I., Boeckx, W., & Gordts, S. (1978). Conservative surgery of ovarian endometriosis in infertility. European Journal of Obstetrics and Gynecology and Reproductive Biology, 8(5), 277–279. https://doi.org/10.1016/0028-2243(78)90078-3