Inclusion Criteria:  • Infertile women aged 18 years to 40 years undergoing IVF/ ICSI for any indication.  Exclusion Criteria:  • History of recurrent pregnancy loss (≥ 2 spontaneous abortions) and/or history of recurrent (≥ 2) ICSI failure after embryo transfer.  Uterine malformations. Uncorrected hydrosalpinx. Intrauterine conditions affecting pregnancy outcomes such as ( intrauterine adhesions, fibroids, polyps). Any previous hysteroscopic surgery eg. Metroplasty or hysteroscopic myomectomy or uterine surgeries involving the endometrium eg. Caesarean section or myomectomy during which uterine cavity was opened. History suggesting endometritis. Use of hCG for endometrial preparation or luteal phase support. Poor quality embryos( according to Istanbul consensus workshop on embryo assessment )