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More Info on Tri-Norinyl Indications

How Does Tri-Norinyl Work?

Tri-Norinyl belongs to a group of birth control pills known as combined oral contraceptives, which means that it contains two different types of hormones. It contains both an estrogen (ethinyl estradiol) and a progestin (norethindrone). Combined oral contraceptives are the most common type of birth control pills used today.
 
Tri-Norinyl is also a "triphasic" birth control pill, which means that there are three different "phases" of pills in each pack (plus the last week of tablets that does not contain any hormones). Each phase has a different amount of the progesterone hormone. This is why it is very important to take the pills in the correct order.
 
Most importantly, the hormones in Tri-Norinyl prevent pregnancy by stopping ovulation (the maturation and release of eggs from the ovaries). However, it also works to prevent pregnancy in two other, minor ways. Tri-Norinyl changes the cervical mucus (the fluid of the cervix, which is the lower, narrow part of the uterus that is connected to the vagina), making it more difficult for sperm to enter the uterus. Lastly, Tri-Norinyl alters the lining of the uterus (called the endometrium), making it less receptive to an embryo.
 

Tri-Norinyl Use in Children and Teens

Tri-Norinyl is approved for use in women of reproductive age. This means that it is not approved for use in girls who have not yet had their first menstrual period.
 

Off-Label Tri-Norinyl Uses

On occasion, your healthcare provider may recommend Tri-Norinyl for something other than contraception. This is called an "off-label" use. At this time, some off-label Tri-Norinyl uses include the treatment of the following conditions:
 
  • Acne
  • Heavy menstrual bleeding
  • Painful menstrual periods
  • Irregular menstrual periods
  • Premenstrual dysphoric disorder (PMDD).
     
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Tri-Norinyl Birth Control

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