A team of Dutch researchers examined the risk of developing venous thromboembolisms (VTEs) associated with different types of synthetic progesterone and estrogen, such as norgestimate ...

Pills that only contain progestin, the synthetic form of progesterone ... 7 doses of 0.180 mg norgestimate and 0.035 mg ethinyl estradiol 7 doses of 0.215 mg norgestimate and 0.035 mg ethinyl ...