Primary Outcome Measures:
- Prospectively register and track the outcomes of cycles with frozen-thawed oocytes that are fertilized and transferred in subjects [ Time Frame: Multiple timepoints ] [ Designated as safety issue: No ]
Secondary Outcome Measures:
- Identify factors associated with successful cycle outcomes and to monitor the child's health and development immediately after birth and at twelve (12) months of age, utilizing standard medical practices. [ Time Frame: Multiple timepoints ] [ Designated as safety issue: No ]
Subjects will be enrolled at as many ART clinics that offer oocyte cryopreservation and are willing to participate in the Registry. Oocytes will be retrieved and cryopreserved from autologous or heterologous donors. When the subject decides she would like to get pregnant, oocytes will be thawed, fertilized and the resultant embryos will be transferred to the oocyte donor (for autologous use) or to another recipient (for heterologous use). The treatment regimen will be completed with births and well-baby follow-up of children at 12 months of age. Information on children will be submitted by their parents to the Investigators. Data collection for the Registry will be active for a maximum of five (5) years, including three (3) years of enrollment and two (2) additional years to complete the well-baby follow-up for all the children.