Will I Get Gestational Diabetes Again? (Second Pregnancy Guide)

If you've had gestational diabetes before, it's completely normal to feel a little (or a lot) anxious about subsequent pregnancies.

You might be thinking:

• Will I get gestational diabetes again?

• Did I do something wrong last time?

• Can I prevent it this time?

Here's the gentle truth: having prior gestational diabetes does increase your risk of developing gestational diabetes in future pregnancies — but it does not guarantee you'll develop it again. And if you do get diagnosed again, you'll also be walking in with something powerful: experience.

(Quick note: HIgedi is mama-to-mama support, not medical care. Always follow your doctor's guidance.)

Quick answer: will I get gestational diabetes again?

Maybe — but not always. Many women do develop gestational diabetes again in a second pregnancy, but some don't.

Your risk increases mainly because the underlying drivers (like insulin resistance) can show up again — and pregnancy itself naturally increases insulin resistance, especially in the second or third trimester.

If you had gestational diabetes mellitus in a previous pregnancy, your care team will usually treat you as higher risk early on, which often means:

• An earlier blood test (sometimes at your booking appointment / early pregnancy)

• Repeat testing later (often with an oral glucose tolerance test)

Why prior gestational diabetes raises risk

Gestational diabetes isn't about willpower. It's about how your body handles glucose during pregnancy.

In pregnancy, hormones from the placenta can make it harder for insulin to work well. That's insulin resistance — and it can lead to higher blood sugar levels (high glucose levels), especially after meals.

If your body struggled with that "pregnancy insulin resistance" once, it may struggle again in future pregnancies.

Related: If you're wondering why you got gestational diabetes in the first place, check out our post on gestational diabetes causes  — it covers genetics, insulin resistance, and why it's not your fault.

Risk factors that make recurrence more likely

Not everyone with prior gestational diabetes has the same risk. Some factors can increase the risk of developing gestational diabetes again:

• Body mass index (BMI) and obesity

• A family history of diabetes

• Having had higher blood sugar / high blood sugar levels last time

• Needing medication/insulin in a previous pregnancy (not your fault — just a marker of how strong the insulin resistance was)

• High blood pressure

• Short time between prior pregnancies (sometimes)

• Weight changes between pregnancies (for some people)

And sometimes? You can do "everything right" and still develop it. That's why we don't do shame here.

What testing might look like in a second pregnancy

Because you have prior gestational diabetes, many doctors will recommend earlier screening.

Common options include:

• Early pregnancy blood test (varies by country/provider)

• Earlier oral glucose tolerance test

• Repeat testing in the second or third trimester (because insulin resistance tends to rise later)

If you're worried, you can bring it up at your booking appointment and ask:

• "Given my prior gestational diabetes, when will we test?"

• "Will we repeat the test later even if early results are normal?"

Related: Want to understand what testing actually involves? Read our guide on glucose tests in pregnancy  — it walks you through the whole process.

Can I reduce my risk this time?

You can't control everything — but you can support your body.

Think of this as risk reduction, not "prevention perfection."

Here are the biggest levers that tend to help:

1) Balanced diet (without going extreme)

A healthy diet doesn't mean eating tiny portions or cutting out all carbs.

For many people, a balanced diet that supports steadier glucose levels looks like:

• Whole foods most of the time

• Protein + fiber + fat with carbs

• Swapping refined carbs for slower options when possible

• Using fats like olive oil

2) Regular exercise / physical activity

Physical activity can improve insulin sensitivity and help lower post-meal glucose levels.

This can be simple:

• Walking after meals

• Prenatal strength training

• Any movement you can do consistently

Aim for regular exercise, not punishment.

3) Healthy weight (if relevant — and gently)

If your doctor recommends working toward a healthy weight before pregnancy, it can help reduce risk — but it's not the only factor.

Also: you can be in a "normal" BMI range and still develop gestational diabetes. So please don't let BMI become a blame story.

4) Early support + earlier monitoring

If you're pregnant again, early support can reduce stress and help you feel more in control.

Ask your doctor about:

• Earlier testing

• Whether home blood sugar monitoring makes sense for you

• Nutrition support (dietitian)

If you do get diagnosed again: what changes (and what doesn't)

If you develop gestational diabetes again, it can feel like déjà vu — but you're not starting from zero.

You already know:

• How testing works

• How food may affect body

• How to spot patterns in blood sugar readings

• What may help your fasting numbers

And you also know something huge: you can get through this.

Treatment can look similar to last time:

• Food strategy (balanced meals/snacks)

• Movement

• Sometimes medication/insulin if needed

Needing medication doesn't mean you failed. It means your placenta is doing placenta things.

Future health: what about type 2 diabetes later?

Having gestational diabetes increases your lifetime risk of developing type 2 diabetes later in life.

That sounds scary — but it can also be empowering, because it means you can plan for your future health.

After giving birth, many providers recommend follow-up testing (often a glucose test or blood test) and ongoing check-ins. You'll find more on this topic in our OGTT after gestational diabetes post.

If you're reading this and thinking, "I'm done having babies, but I'm worried about diabetes risk," you're not alone — and you deserve support for your health too.

Final thoughts

If you're heading into a second pregnancy (or even a third), I want you to hear this clearly:

• Prior gestational diabetes raises risk, but it doesn't guarantee recurrence.

• You didn't cause it.

• You're allowed to feel nervous — and you're allowed to feel hopeful.

And if it happens again? We'll take it one day at a time, the same way we always do here.

FAQ: Gestational Diabetes & Second Pregnancy

1. Will I get gestational diabetes again in my second pregnancy?

Having gestational diabetes in a previous pregnancy increases your risk in subsequent pregnancies, but it doesn't guarantee you'll develop it again. Your doctor may recommend earlier testing.

2. Can you get gestational diabetes twice?

Yes — many women develop gestational diabetes more than once, especially in a second pregnancy. But some don't, even with prior gestational diabetes.

3. When will I be tested if I had gestational diabetes before?

Many providers recommend an early pregnancy blood test and repeat testing later, often with an oral glucose tolerance test in the second trimester.

4. What increases the risk of developing gestational diabetes again?

Risk factors can include higher BMI/obesity, family history of diabetes, higher blood sugar levels in a previous pregnancy, insulin resistance, high blood pressure, and other factors.

5. Can I reduce my risk of gestational diabetes in future pregnancies?

You can't control everything, but a balanced diet with whole foods, regular exercise/physical activity, and following your doctor's plan for early testing can help reduce risk.

6. Does having gestational diabetes mean I'll get type 2 diabetes later?

Gestational diabetes increases lifetime risk of type 2 diabetes later in life, but it's not inevitable. Follow-up testing after giving birth and ongoing health check-ins can help you stay on top of your future health.