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Diabetes: How it affects pregnancy
Pregnancy

Diabetes: How it affects pregnancy

3 min readWeek 6
Key takeaways
3 min
  • Consult your doctor before getting pregnant if you have diabetes to switch from pills to insulin and achieve A1C levels below 6%.
  • Monitor blood sugar levels closely throughout pregnancy with regular visits to both your OB-GYN and endocrinologist every 2 weeks.
  • Switch to insulin during pregnancy as it's safer for your baby than antihyperglycemic medications, then return to pills postpartum if needed.
  • Maintain strict glucose control from conception to prevent increased risk of miscarriage and birth defects.
  • Plan for natural childbirth and breastfeeding, as both are safe and encouraged for mothers with well-managed diabetes.

Diabetes affects pregnancy by requiring strict blood sugar control and medical monitoring to prevent complications. With proper management including insulin therapy, regular doctor visits, and A1C levels below 6%, diabetic women can have healthy pregnancies and normal deliveries.

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If you have diabetes, it’s important to talk with your doctor before you get pregnant. You should have a thorough check-up, and your doctor will want to switch you from antihyperglycemic drugs to insulin [1].

If I learn that I am diabetic while pregnant, is it gestational diabetes?

To precisely diagnose your condition, you will likely be referred to an endocrinologist for additional testing. All pregnant women will have their blood glucose level determined during their first visit to the doctor. And the sooner that happens, the better. Your doctor needs to know if you have diabetes mellitus (type 2) before conceiving, and they will likely want you to postpone pregnancy if your glycated hemoglobin level is above 7% [2].

What is glycated hemoglobin?

Analysis for glucose levels reflects the current levels in your blood, while glycated hemoglobin (hemoglobin A1C test) allows you to assess the situation over the past three months. It shows what percentage of hemoglobin has combined with glucose. When planning to conceive, you should strive for an indicator below 6.0% [3]. 

What if I got pregnant when my levels were high? 

If blood sugar levels are not under control from the first days of conception, then the risk of miscarriage and birth defects increases [1, 3, 4]. The recommendation is to consult an endocrinologist or specialist as soon as you find out you have diabetes. 

Will there be different treatment strategies for gestational and other forms of diabetes?

Gestational (pregnancy-related) diabetes can be controlled through diet and lifestyle. If you have type 2 diabetes, then insulin doses must be checked and adjusted regularly, and you will have to learn how to monitor your blood sugar levels on your own [3].

What does the management of diabetes look like during pregnancy?

Diabetes requires diligent monitoring before and during pregnancy. You will visit your ob-gyn regularly, as well as your endocrinologist, and may need to see your doctor every two weeks (especially during the first and last trimester). In addition, they may recommend you visit your ophthalmologist once every trimester [1].

Why switch from pills to insulin?

Insulin is considered safe for your developing baby, which cannot be said about antihyperglycemic drugs.

If I switch to insulin injections during pregnancy, can I return to pills later?

After giving birth, your doctor will likely switch you back to hypoglycemic pills if they were effective before pregnancy.

Will I be able to give birth naturally and breastfeed with diabetes?

Yes, both natural childbirth and breastfeeding are possible and encouraged [3].


Frequently asked questions

Yes, pregnant people with diabetes can have healthy pregnancies with proper medical management. The key is maintaining good blood sugar control before conception and throughout pregnancy with regular monitoring.

Your A1C should be below 6% when planning to conceive. If your A1C is above 7%, doctors typically recommend postponing pregnancy until better glucose control is achieved.

Insulin is considered safe for developing babies, while antihyperglycemic pills may not be. After delivery, most women can return to their previous diabetes medications if they were effective.

You'll need regular visits to both your OB-GYN and endocrinologist, often every two weeks, especially during the first and last trimesters. Eye doctor visits once per trimester may also be recommended.

Yes, both natural childbirth and breastfeeding are possible and encouraged for mothers with diabetes. Proper glucose management throughout pregnancy supports these normal birth experiences.

Medical Disclaimer

This article is for informational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or qualified health provider with any questions you may have regarding a medical condition.

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Reviewed by healthcare professionals · Updated March 25, 2025

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