Clinical Research Directory

Inclusion Criteria for participants: 1. Patients undergoing an IVF cycle with plan for subsequent frozen embryo transfer (FET) of a single euploid embryo 2. 4 mature oocytes prior to randomization 3. Female partners age \<42 years old at start of their vaginal oocyte retrieval (VOR) cycle 4. Normal ovarian reserve: 1. Antimullerian Hormone Level (AMH) ≥ 1.2 ng/mL 2. Antral Follicle Count (AFC) ≥ 8 3. Follicle Stimulating Hormone (FSH) FSH ≤ 12international units (IU)/L 5. Body Mass Index (BMI) \<35 6. Patients who desire to transfer the best quality embryo for their embryo transfer. However, if a participant ends up electing to transfer based on sex preference after enrollment these outcomes will still be followed and included in the intention to treat analysis. Exclusion Criteria for participants: 1. All patients who do not voluntarily give their written consent for participation 2. Patients with a prior failed IVF cycle - defined as no blastocysts 3. Patients with a history of more than one failed euploid embryo transfer 4. Donor oocyte cycles 5. Gestational Carriers 6. Male partner with \<100,000 total motile spermatozoa per ejaculate (donor sperm is acceptable) 7. Use of surgical procedures to obtain sperm 8. Communicating hydrosalpinges without a plan for surgical correct prior to frozen embryo transfer 9. Endometrial Insufficiency, as defined by a prior cycle with maximal endometrial thickness \<6mm,), or persistent endometrial fluid 10. Single gene disorders, chromosomal translocations, or any other disorders requiring a more detailed embryo genetic analysis