Effect of Endometrial Scratching on Assisted Reproduction Outcomes: a Randomized Controlled Trial

To examine whether endometrial scratching (or injury) using a Pipelle endometrial sampler, performed on the first seven days of the menstrual cycle, is able to improve pregnancy rates in women who will be submitted to a fresh embryo transfer.

Inclusion Criteria:

• Age ≥ 18 years
• First four days of the menstrual cycle, just before starting controlled ovarian stimulation for planned IVF and fresh embryo transfer.
• Not have performed endometrial scratching in the last 90 days.

Exclusion Criteria:

• None