Lead Sponsor: Yale University

Collaborators: Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD), Northwestern University, University of Colorado, Denver, University of North Carolina

Intervention / Treatment: DRUG: Elagolix 200 MG, OTHER: Placebo or SOC IVF

Lead Sponsor: Yale University

Collaborators: Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD), University of Pennsylvania, University of California, San Francisco, Augusta University, Penn State University, University of Oklahoma, University of North Carolina

Intervention / Treatment: DRUG: Methotrexate, PROCEDURE: Uterine Evacuation, OTHER: Expectant Management