Importance of the Pill 4. February 2015 Jenny (0) When planning an egg donation, it is crucial that all parties follow the instructions very diligently and carefully. As we are considering two bodies to do the job of ordinarily one, these two female parts need to be synchronised or aligned. This is achieved by the contraceptive pill, which can manipulate the uterine lining. The highly experienced fertility sisters facilitate the pill taking by guiding recipients and egg donors when to start and when to stop the contraceptive pill. The recipient's body needs to be prepared for pregnancy and the womb needs to believe it is responding as if eggs were being released, as it would during a normal conception.These dates need to be followed very carefully and diligently as they impact the exact dates when treatment happens.