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Glam Journal

Should I stop metformin when pregnant PCOS?

Author

James Austin

Updated on March 18, 2026

Should I stop metformin when pregnant PCOS?

For women with PCOS, studies suggest that taking metformin as directed by their healthcare provider might help a woman to get pregnant. I just found out that I am pregnant. Should I stop taking metformin? You should not change how you take this medication without first talking to your healthcare providers.

When do you stop taking metformin for fertility?

Inclusion criteria were: original diagnosis of PCOS, no evidence of glucose intolerance, BMI < 39 kg/m2, being on daily metformin treatment for at least 6 months and being prepared to discontinue metformin for a period of at least 13 consecutive weeks, as well as the exclusion of pregnancy.

What happens if I stop taking metformin for PCOS?

In ST users, withdrawal of metformin in obese PCOS resulted in regain of body weight and changed eating behavior. In LT users withdrawal resulted in changed eating behavior and menstrual irregularity.

Will stopping metformin cause a miscarriage?

Can using metformin in early pregnancy cause miscarriage? Studies which together included over 800 women with PCOS who were taking metformin in early pregnancy have not shown that they were more likely to have a miscarriage than women not taking metformin.

How does metformin affect the fetus?

These findings suggest that metformin exposure during foetal development may result in the male offspring having lower sperm count, subfertility or higher risk of testicular cancer later in life.

What are the side effects of taking metformin while pregnant?

Common risks and side effects of metformin

  • gas.
  • heartburn.
  • diarrhea.
  • stomach pain.
  • nausea.
  • gastrointestinal changes.

What happens if you stop taking metformin abruptly?

Metformin works by decreasing the amount of sugar your liver releases into your blood, making your body more sensitive to insulin’s effects. If you suddenly discontinue use, it can lead to dangerously high blood sugar levels. 1 As a result, you may experience: Headache.

What happens when you go off metformin?

Risks of stopping metformin impaired vision, or diabetic retinopathy. kidney problems, or diabetic nephropathy. nerve damage, or diabetic neuropathy. heart problems.

What happens when you quit metformin?

Can metformin cause twin pregnancy?

The additive effects of adjunctive treatments such as weight reduction, ovarian drilling, and clomiphene and metformin therapy may result in an increased incidence of higher-order multiple pregnancy and women need to be counseled about this risk.

How successful is metformin pregnancy?

Metformin has been evaluated in several studies in the context of PCOS pregnancy. It has been reported an 18.7% incidence of miscarriage in non-treated PCOS women, 10% in women who received metformin up to 32 weeks of gestation, and 0% in those who received metformin throughout pregnancy (p < 0.006) (Nawaz et al.

Does metformin make baby small?

We show that metformin-exposed babies are born smaller than their insulin-exposed counterparts, with lower ponderal index, but then undergo accelerated postnatal growth such that by infancy they have higher weight and by childhood they have higher BMI.

Is metformin the ideal treatment for PCOS?

Metformin has become the leading treatment for PCOS, despite the fact that it has not been approved for this purpose and had not been rigorously studied in infertile patients with the disorder until now. One brand name of metformin is Glucophage; researchers in the study used Glucophage XR — an extended release form of the drug.

Does metformin make you more fertile?

Metformin is an insulin-sensitizing agent that is sometimes used in conjunction with Clomid in patients who have polycystic ovary syndrome. Metformin may increase your fertility to the extent that it reduces insulin resistance, and thus helps to normalize insulin. Too much insulin reduces your fertility.

What does metformin do for PCOS?

In addition to controlling blood glucose levels, metformin may provide other health benefits to women with PCOS. Although primarily used to treat type 2 diabetes, metformin can help lower LDL cholesterol and blood fat levels and reduce the risk of cardiovascular disease.

Can you take metformin while pregnant?

If you become pregnant while using metformin, you should not stop your medication without first talking to your health care provider. High blood sugar levels before and during pregnancy increase the chance of birth defects and other complications. Insulin is usually the medication of choice in pregnancy because it can usually control blood sugar