Try This Instead
One of the unfortunate side effects of pregnancy is melasma (or "pregnancy mask"). Characterized by a discoloration or darkening of the face, it often disappears on its own after the baby is born. In the meantime, you can try to cover it up with organic tinted moisturizers, foundations, and creams.
A Few to Try (left to right)
Physicians Formula Organic Wear Tinted Moisturizer ($12),
Bare Minerals Original SPF 15 Foundation ($26), and Lavera Mattifying Balancing Cream ($29).