Hypothetically, intercourse around the time of implantation, could result in uterine contractions, disrupting the implantation process, displacing the implanted embryo, or expelling the embryo from the uterus.

What should you not do during implantation?

We recommend that you avoid strenuous activity around the time of embryo transfer. There is no evidence to support total bed rest to improve implantation rates and total bed rest is associated with other health risks.

What causes unsuccessful implantation?

The causes of implantation failure are diverse and especially due to different maternal factors as uterine abnormalities, hormonal or metabolic disorders, infections, immunological factors, thrombophilias as well as other less common ones.