Overview Step Down FSH Approach and Late Follicular Phase in Progesterone Level Status: Completed Trial end date: 2020-08-31 Target enrollment: Participant gender: Summary Step-down approach and late follicular phase progesterone level Phase: Early Phase 1 Details Lead Sponsor: ART Fertility Clinics LLCIVI Middle East Fertility ClinicCollaborator: Merck Serono International SATreatments: Follicle Stimulating HormoneHormonesProgesterone