Tag: Contraceptive patch

First approved by the FDA in 2001, norelgestromin is a synthetic progestin primarily used in combined hormonal contraceptive patches. Patients and healthcare providers frequently ask **what is another name for Norelgestromin?**, as this key ingredient is recognized under various brand, generic, and chemical names. These aliases are essential for proper identification and clinical communication.

Studies found that the Ortho Evra contraceptive patch exposed women to about 60% more estrogen than typical birth control pills [1.4.1]. This raised significant safety concerns, leading to a series of events that culminated in its discontinuation. So, why was the Evra patch discontinued?

With typical use, the contraceptive patch is about 93% effective, meaning about 7 out of 100 users get pregnant each year [1.2.3, 1.8.5]. Understanding **how long after starting the patch are you protected** is crucial for ensuring its effectiveness.

With perfect use, the contraceptive patch is over 99% effective at preventing pregnancy [1.3.1]. But **how does the Evra patch work**? This transdermal patch delivers a steady stream of hormones through the skin to prevent ovulation, making it a convenient alternative to daily pills [1.2.4, 1.2.6].

According to a Cochrane review of 49 trials, combination hormonal contraceptives like the patch were found to be weight-neutral [1.2.1]. So, does the patch cause weight gain, or is the connection a myth? This article examines the science behind this common concern.