Inclusion Criteria:

- Undergoing In Vitro Fertilization (IVF) or IVF/Intra Cytoplasmic Sperm Injection
(ICSI) at OVO clinic

- Having a prescription of a long, short or an antagonist IVF protocols using both
urinary and synthetic gonadotropins

- Having a single embryo transfer

- Regular menstrual cycles

- Basal follicle stimulating hormone levels less than 10 IU/l within 6 months prior to
entering the study

- anti-mullerian hormone more than 1 ng/ml measured within a year

- Normal sonohysterogram or hysteroscopy done within the last 2 years

- Previously undergone a maximum of 3 IVF cycles

- Documented negative serology tests within 1 year prior recruitment for: Hepatitis B,
Syphilis, HIV based on Health Canada recommendations for treatment in an IVF
laboratory.

Exclusion Criteria:

- Amenorrhea

- Anovulatory cycles

- Polycystic Ovarian syndrome

- Chronic endometritis

- Severe endometriosis

- Hydrosalpinx

- Uterine synechia or Asherman's syndrome

- Submucosal uterine fibroids or intra-cavitary polyps greater than 1cm

- Uterine anomalies

- Use of anticoagulants

- Secretory Azoospermia