The method R.O.P.A. (Reception of Oocytes Partner) is a novel technique, which is that one of the women receive eggs from her partner, enabling both women to be more involved in the treatment and participate more actively in pregnancy. One woman undergoes ovarian stimulation and provides the oocytes are fertilized with sperm bank. The other woman is the recipient of these embryos transferred into her uterus for gestation pregnancy.

In this way, the two women play an essential role in bringing the world to your baby, both being their biological mothers: first as genetic mother and the second as a pregnant mother.

The technique R.O.P.A. It makes possible a "shared motherhood."