Compare Endometrin vs. Provera

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(Progesterone Vaginal Insert)


Supports fertility treatments. Endometrin (Progesterone Vaginal Insert) is a vaginal insert used in fertility treatments, but you have to apply it more often than progesterone vaginal gel.Regulates your menstrual cycle and supplements estrogen treatments for menopause. Provera (Medroxyprogesterone) works well to regulate your menstrual cycle and stop irregular bleeding. It also protects the uterus from estrogen's harmful effects.
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Side effects

The Endometrin FDA package insert doesn’t have numbers about how common side effects are.

More about Endometrin side effects »

We haven’t found good data for Provera side effects.

FDA side effect reports for Provera »
How it works
Endometrin (Progesterone Vaginal Insert) contains progesterone, one of the hormones essential for maintaining a pregnancy. Women on fertility treatment can take progesterone to prepare the lining of the uterus to receive and nourish a fertilized egg.Provera (Medroxyprogesterone) contains medroxyprogesterone, a progesterone hormone that works to balance hormone changes in the body. In premenopausal women, it prevents thickening of the uterus lining and regulates your menstrual cycle. It's also added to hormone therapy to protect the uterus from the harmful effects of estrogen.
Type of medication
ProgestinPrescription only
Hormone replacement
Prescription only
Available as
  • Vaginal insert
  • Pill
Used for (click to learn more)
  • Female infertility
  • Amenorrhea
Risk factors for serious side effects
  • Personal or family history of breast cancer
  • Family history of ovarian cancer
  • Personal or family history of blood clots
  • Smoking
  • Obesity
  • Hypertension
  • Diabetes
  • High cholesterol
  • Systemic lupus erythematosus (SLE)
  • Diabetes
  • Heart failure
  • Kidney problems
  • Obesity
Detailed Endometrin (Progesterone Vaginal Insert) risks & warnings »
  • Personal or family history of breast cancer
  • Family history of ovarian cancer
  • Personal or family history of blood clots
  • Smoking
  • Obesity
  • Hypertension
  • Diabetes
  • High cholesterol
  • Systemic lupus erythematosus (SLE)
  • History of depression
  • History of liver problems
  • Women of childbearing age
Detailed Provera (Medroxyprogesterone) risks & warnings »
Pregnancy category
NFDA pregnancy category (Unknown)

The FDA hasn’t classified this medicine’s effects on unborn babies. Talk with your doctor about this medicine if you’re pregnant or planning on it.

See the FDA package insert
XFDA pregnancy category (Unsafe)

Research studies with real people or animals found harmful effects on unborn babies. If you’re pregnant, the risks to your unborn baby outweigh the benefits.

See the FDA package insert
No specific alcohol-related info.No specific alcohol-related info.
No specific food-related info.No specific food-related info.
Kidneys and liver
No specific kidneys and liver-related info.No specific kidneys and liver-related info.
No specific sex-related info.No specific sex-related info.
No specific sleep-related info.No specific sleep-related info.
No specific weight-related info.
  • Can cause headache, weight gain, breast tenderness, or changes in mood.
Upsides and benefits
  • Helps increase your chances of getting pregnant.
  • Regulates your menstrual cycle.
  • Exposes your body to less hormone compared to progesterone pills or injections.
  • Endometrin (Progesterone Vaginal Insert) replaces low levels of progesterone to prepare the lining of your uterus to receive and nourish a fertilized egg.
  • Endometrin (Progesterone Vaginal Insert) comes with step-by-step instructions and is easy to use. Unlike some progesterone products that make you to lie down when inserting them, Endometrin (Progesterone Vaginal Insert) can be inserted while you are standing, sitting, or lying on your back with your knees bent.
  • Provera (Medroxyprogesterone) can be used to treat multiple hormone problems in women.
  • After menopause, taking estrogen raises your risk of uterine cancer. However, taking progesterone, like in Provera (Medroxyprogesterone), along with estrogen gives you the positive effects of estrogen, but also prevents it from damaging your uterus.
  • Women taking an estrogen/progestin combination medications have a lower risk of uterine cancer.
Downsides and risks
  • Endometrin (Progesterone Vaginal Insert) can cause vaginal irritation and burning.
  • Inserting the applicator can possibly cause discomfort or infection.
  • Endometrin (Progesterone Vaginal Insert) is dosed 2 to 3 times a day, compared to other progesterone products that are dosed 1 to 2 times a day.
  • You can't use tampons or other vaginal products for at least 6 hours before and 6 hours after taking Endometrin (Progesterone Vaginal Insert).
  • You can't take Provera (Medroxyprogesterone) if you've had a hysterectomy (your uterus removed). You also can't take it if you're pregnant or breastfeeding, have unusual vaginal bleeding, or have a history of blood clots, certain kinds of cancer, stroke, heart attack, liver problems, or bleeding problems.
Tips from our pharmacists for people taking the medication
  • Read the information you get in the pharmacy about how to use Endometrin (Progesterone Vaginal Insert). The step-by-step instructions are really helpful to follow.
  • Each vaginal insert applicator is made for a single use and should be thrown away after you use it.
  • The dose of Provera (Medroxyprogesterone) will be different depending on what you’re using it for, so take it exactly the way your doctor tells you.
  • Talk to your doctor every few months about using the lowest possible dose of Provera (Medroxyprogesterone). Since there can be a lot of long-term side effects, take it only as long as you need it.
  • Can cause headache, weight gain, breast tenderness, or changes in mood.
  • If you're taking Provera (Medroxyprogesterone) to regulate your period, you'll get withdrawal bleeding 3 to 7 days after stopping Provera (Medroxyprogesterone).
Learn more
More about EndometrinSide effectsReviews & ratingsAlternativesFDA package insert
More about ProveraSide effectsReviews & ratingsAlternativesFDA package insert