Transvaginal Ultrasonography Guided Embryo Transfer

Could Transvaginal Ultrasonography Guided Embryo Transfer Improves Pregnancy Outcome in Obese Patients Undergoing Intracytoplasmic Sperm Inoculation? Randomized Controlled Study

to evaluate the value of using transvaginal ultrasound guided embryo transfer in obese patients undergoing in vitro fertilization.

The 800 participants with body mass index more than 30kg/m2 were randomly allocated to two groups of equal size using an automated web-based randomization system. The first group 400 patient undergoing the transabdominal-guided embryo transfer, the second group 400 patient undergoing transvaginal-guided embryo transfer.

Inclusion Criteria:

• BMI more than 35, good ovarian reserve, unexplained infertility more than 3 years.

Exclusion Criteria:

• severe male factor of infertility,uterine factor of infertility excluded by ultrasonography and hysteroscopy ,ovarian endometrioma or patients with poly cystic ovary syndrome, obesity caused by abnormal endocrine function (thyroid or adrenal disorder)