What are the side effects to natural progesterone cream?

No bad side effects. Helps to stop mood swings. Helps to balance estrogen dominance, slow growth of uterine fibroid tumors, has a ';relaxing'; effect possibly for a better night's sleep, some even claim helps headaches. It helps women retain pregnancy. One ';side effect'; may be increased libido (sex drive). Otherwise, can be very helpful for both males and females. Be sure it is Natural and not synthetic progesterone.