**6.3. Subendometrial embryo delivery (SEED) (47)**

Patients will actually see the process on video monitor. It will reduce the chances that the embryo will fall out of the uterus, or that it will fall into the fallopian tube causing tubal pregnancy. Post embryo implantation, the woman does NOT need to stay in bed for 2 days.

The main disadvantage includes a possible scratching of the lining of the uterus so that pregnancy may not ensue. Candidates include any patient undergoing IVF, specially patients with previously failed standard embryo transfers, patients with ectopic pregnancies and tubal disease.

It is done in an office setting using a special fiberoptic scope and camera plus a special tubing with a needlepoint, and it takes approximately two minutes to perform. It utilizes flexible hysteroscope and an inert gas (nitrous gas) to avoid the deleterious effect of CO2 gas on the embryos.
