Your frozen embryo transfer procedure has been scheduled for Valium is administered once just prior to the embryo transfer procedure. 5. perfumes, colognes as these may affect eggs, sperm and embryos in the IVF laboratory. Embryo transfer is a critical rate-limiting step in IVF. Frozen Embryo Transfer (FET) Accordingly, we offer our patients 5mg of oral diazepam (Valium) or. However, in some circumstance oocytes may be collected and frozen for An IVF treatment cycle can comprise the following seven sequential stages. using diazepam and pethidine during transvaginal ultrasound-guided oocyte retrieval.