What brand of birth control pills are less likely to cause blood clots?

ALL increase DVT ris: All birth control pills increase the risk of blood clots. Pills containing drospirinone as they progestin component have a slightly higher risk of blood clot promotion (but are still avail on the market) than non-drospirinone formulations. There is some thought that the patch and vaginal ring may have slightly lower risk of this b/c they don't go through liver first, but that can't be said defini.