Evaluation of the Efficacy of Diafert in Predicting Embryos' Potential to Develop to the Blastocyst Stage

Inclusion Criteria:

- Provide written informed consent before initiation of any study procedures

- Be a female outpatient, ≥ 18 years of age at the time of informed consent

- Have at minimum 10 mature egg follicles as of the last transvaginal ultrasound
following hormonal stimulation

- Eligible to allow embryos to develop through day 5 before implantation or freezing

Exclusion Criteria:

- Presence of ovarian endometriotic cyst

- Presence or history of diagnosed severe endometriosis (i.e. stage IV the revised
American Fertility Society classification for endometriosis).

- Need for pre-implantation genetic diagnosis/screening of embryos

- Use of time-lapse embryo imaging

- Employee or immediate relative of an employee of Forest Research Institute, Inc., any
of its affiliates or partners, or the study center