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Necon 1/50
Necon 1/50 is a type of birth control called a combined oral contraceptive (COC) that contains both estrogen and progesterone hormones. Necon 1/50 is taken by mouth every day to prevent pregnancy. This medication has been discontinued in the United States.
Last reviewed on July 25, 2022
What is Necon 1/50?
What is Necon 1/50 used for?
To prevent pregnancy
How Necon 1/50 works
Are you looking for information on Necon 7/7/7 (norethindrone / ethinyl estradiol) triphasic instead?
Drug Facts
Common BrandsNecon 1/50, Norinyl 1/50 (brands no longer available)
Drug ClassEstrogen / Progestin combined contraceptive
Controlled Substance ClassificationNot a controlled medication
Generic StatusNo lower-cost generic available
AvailabilityDiscontinued
Frequently asked questions about Necon 1/50
What is Necon 1/50?
Necon 1/50 is a combination birth control that contains two hormones, norethindrone (a progestin) and mestranol (an estrogen), that work together to prevent pregnancy. Necon 1/50 works by 1) preventing your ovaries from releasing eggs, 2) changing the mucus in your cervix to make it harder for the sperm to enter the uterus (womb), and 3) changing the lining of the uterus so it's more difficult for a fertilized egg to implant.
Is Necon 1/50 still available?
No, Necon 1/50 has been discontinued and is no longer available in the United States.
Why was Necon 1/50 discontinued?
It's not clear why Necon 1/50 was discontinued, but it could be related to the risks of this medication containing a high dose of estrogen (50 mcg mestranol). Higher amounts of estrogen might raise the risk of blood clots, leading to heart attacks and strokes. The FDA has recommended against using 50 mcg estrogen in birth control, and for providers to prescribe a smaller dose of estrogen whenever possible. Today, most birth control pills in the United States contain less than 50 mcg of ethinyl estradiol.
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What are alternatives to Necon 1/50?
There are a number of medications that your doctor can prescribe in place of Necon 1/50. Compare a few possible alternatives below.
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