How can the answer be improved?

1. In this retrospective cohort study, continuous (84/7) or extended (365/0) cycle regimens of combined oral contraceptives were not linked with meaningfully higher rates of venous thromboembolism (VTE) when compared with traditional cyclic (21/7) regimens.

It included 733,007 incident users of combined oral contraceptives recruited between May 2007 and September 2015. 522,116 users (71%) initiated traditional 24/7 regimens, while 210,691 (29%) initiated extended (84/7) or continuous (365/0) regimens.

Another study looking at a specific extended-cycle birth control pill, Seasonale (ethinyl estradiol and levonorgestrel), found that the negative side effects of this medication are typical of all birth control pills, with the exception of breakthrough bleeding, which was more common with Seasonale.

As expected with oral contraceptives, a modest number of subjects reported adverse effects with continuous OCPs in the Phase 3 trial such as abdominal pain (9.6%), back pain (10%), and headache (30%), although these effects were not compared to placebo or cyclic OCPs.

Extended and continuous combined oral contraceptive use was associated with a slightly elevated, but potentially clinically insignificant risk for venous thromboembolism compared with traditional

Extended and Continuous Use of Combined Oral Contraceptives; Some COC users do not follow the usual cycle of 3 weeks taking hormonal pills followed by one week without hormones. Some women take hormonal pills for 12 weeks without a break, followed by one week of …

Dec 13, 2006 · The continuous oral contraceptive Lybrel was shown to be highly effective for eliminating monthly bleeding in a yearlong study. The study was …

Long-term cyclic and continuous oral contraceptive therapy and endometrioma recurrence: a randomized controlled trial.

Long-term cyclic and continuous oral contraceptive therapy and endometrioma recurrence: a randomized controlled trial.