Inclusion Criteria:  Patients diagnosed using both the transvaginal ultrasound study (TVS) and MRI criteria  Main criteria for sonographic and MRI diagnosis of adenomyosis are:  The appearance of asymmetrical thickening of the myometrium Irregular cystic areas within the myometrium Linear striations radiating out from the myometrium  Patients ≤42 years old at the time of starting ICSI cycle Cryopreserved embryo transfer cycles The presence of at least one good cryopreserved day 3 embryo.  Exclusion Criteria:  Transfer of a poor-quality embryo (grades 3 or 4) History of myomectomy Pelvic ultrasound that showed the presence of uterine fibroids, a hydrosalpinx or endometrial polyps (all known causes of implantation failure).