Clinical Research Directory

Inclusion Criteria: * Female is between 18 and 39 years of age * Female is having regular periods * Couple is currently using some form of contraception (e.g., oral contraceptives, barrier methods, timing method), but planning to get pregnant in the near future. Exclusion Criteria: * Female has a previous pregnancy * Female has tried for 12 months or more to achieve a pregnancy without success, or has undergone fertility treatment * Female has received a diagnosis of polycystic ovary syndrome (PCOS) * Female has another serious medical condition (e.g. heart disease, kidney disease, diabetes, thyroid disease, clinical depression, or an acute chronic infection) * Male has tried for 12 months or more to achieve a conception without success * Male has had a fertility related condition (e.g., zoo- or oligospermia, other abnormal semen analysis, cryptorchidism, or testicular cancer) * Male has another serious medical condition (e.g. heart disease, kidney disease, diabetes, thyroid disease, clinical depression, or an acute chronic infection)