Can You Be a Surrogate After Gestational Diabetes?

See how clinics review gestational diabetes history, treatment, pregnancy outcomes, postpartum testing, and current health before surrogacy.

Yes, some programs consider women whose gestational diabetes (GDM) was diet-controlled and whose blood sugar returned to normal after birth. Insulin or pills rule out some applications; other programs review each woman’s history, while some reject any past GDM. At LittleBee, tell us how your pregnancy went, what treatment you needed and what your recent tests show. If you missed follow-up, book a test with your own doctor now.

What changes if I needed insulin or other medication?

Needing insulin or pills leaves you with fewer surrogacy options than diet-controlled GDM. This can still matter even if you stopped treatment after birth. Some rules are based on your past treatment, not only today’s blood sugar.

We read 15 agencies’ published requirements in October 2026. Eight listed reasons to say no, covering medicine-treated GDM, insulin use or any past GDM. Two offered to review each woman’s medicine-treated GDM history. Three said this history could mean they cannot accept you. Two did not say how they handle it.

These are examples of published rules, not one rule for everyone. Here is what they can mean for you:

Your previous GDM treatment What that can mean for your application
Diet and activity only Some programs may consider you if your blood sugar returned to normal and your pregnancy went well. Two agencies we reviewed ruled out any past GDM.
Insulin or oral medication Some programs rule out this history. Two say they look at each woman’s history before deciding. Needing medicine leaves you with fewer options.

If you took pills instead of insulin, tell us the medicine’s name.

Even with diet-controlled GDM, your whole pregnancy matters. Your doctor also needs to know about early delivery, high blood pressure or other problems.

You need a full medical check before being accepted, as the American Society for Reproductive Medicine (ASRM) recommends. It also says at least one full-term pregnancy without complications is ideal. Its guidance does not rule out everyone with past GDM.1

Needing insulin also does not mean you did anything wrong during that pregnancy. Some women can manage GDM with diet and activity. Others need insulin to keep blood sugar in range. The American Diabetes Association (ADA) recommends adding insulin when it is needed. Having the right treatment is different from meeting a program’s rules.2

Why do I need checks if my blood sugar is normal now?

Normal blood sugar now is good news, but you still need follow-up after GDM. The ADA recommends blood sugar tests every one to three years, for life. Keep having these tests even if your first test after birth was normal.2

It is understandable to think of GDM as something that ended when your baby was born. You may have stopped medicine and blood sugar checks after delivery. But an old note saying your blood sugar returned to normal tells you about that time. A recent test tells you about now.

You can get this checked before you decide about surrogacy. Tell your doctor when you had GDM and when you last had a blood sugar test. If a test shows prediabetes or diabetes, make a care plan with your doctor first. Feeling well or seeing a normal number on a home meter does not replace a lab test.3

How likely is GDM to return in another pregnancy?

About half of women with past GDM have it again in another pregnancy. A 2025 review of 30 studies put the estimate at 50.7%. It included 30,524 women who had GDM and became pregnant again.4 These were not screened U.S. surrogates. The number does not tell you your own chance.

GDM came back more often in women who had needed insulin in their earlier pregnancy. This does not mean insulin caused it.4

Ask what appointments, blood sugar checks, food changes or medicine you might need if GDM returns. Bring details of your earlier treatment to that discussion before you agree to carry again.

Have a diabetes test before another pregnancy, or early in pregnancy if that did not happen. Without a diabetes diagnosis, you will still need a separate GDM test at 24–28 weeks. An early normal result does not replace that later test.52

What tests and records will I need?

Your doctor will choose a blood sugar test based on how long it has been since you gave birth.5

If you gave birth recently: the ADA recommends a 75-g oral glucose tolerance test (OGTT) at 4–12 weeks. An OGTT checks blood sugar after you drink a sugary liquid. A1C shows your average blood sugar over about three months. It can miss problems soon after birth, so A1C alone may not be enough.23

If months or years have passed: your doctor may use A1C, a fasting blood sugar test or an OGTT.5 Explain how your GDM was treated and which follow-up you missed. A test now tells you about your health today. It cannot show what your result would have been years ago. A1C usually does not need fasting. Other tests may require it, so follow the lab’s directions.3

For Vanessa, the difficult part was fitting follow-up around caring for her newborn.

Anyone who has had a newborn knows how quickly those first few months can disappear. Vanessa was focused on feeding the baby, getting some sleep, recovering from delivery, and simply making it through the day. Her doctor had recommended postpartum glucose testing, but she never got around to doing it.

Years later, it was one of the first things that came up when Vanessa applied to become a surrogate.

She mentioned the gestational diabetes and explained that she had controlled it with diet and had never used insulin. She also told the clinic that she had not completed the follow-up glucose test after delivery.

Vanessa completed current testing through her doctor before the clinic made its decision. Her doctor could review A1C and blood glucose results alongside medication, BMI, family history, and the rest of her medical record. These were current health checks, not a reconstruction of the postpartum test she missed years earlier.

For your records, start with what you already have:

  • The test that led to the GDM diagnosis and the date.
  • Notes on diet, activity, blood sugar checks and any insulin or pills.
  • Pregnancy and birth records, including any problems for you or your baby.
  • Blood sugar test results after birth and now, with dates and your doctor’s follow-up advice.

Your OB, birth hospital and current doctor may each have different records.6 You can ask them for copies.7 Our medical records guide explains how to request them.

Missing an old report can hold up review even when you have already done your part. At LittleBee, we can help you contact the hospital and send a records release when old records are incomplete. This form lets the hospital share your records. One surrogate was missing the record from her earlier C-section. We helped her contact the hospital where she had delivered and send the release. Three weeks later, the clinic received the complete records and finished its medical review.

We take medical questions to the clinicians and pass on the instructions they confirm. Your doctor explains test results and advises you about care. We help with the questions and missing paperwork.

What if I am asked to wait or told no?

Waiting for a missing test is different from being turned down because of your past pregnancy. Ask what you are waiting for and what happens next.

If a report is missing, ask which one is needed. If a current test shows a problem, talk with your doctor about care and any further tests.

Some rules exclude a past GDM history even when your blood sugar is normal now. Insulin used during pregnancy remains part of that history, even if you stopped it after birth. Do not stop a current prescription or change your treatment history to fit an application.

If another program said no, tell us why. We can start with your own history and the tests and records you have.

The medical team checks whether another pregnancy is safe for you and should explain the risks. You decide what medical care you agree to.

You can start your LittleBee surrogate application by telling us about the pregnancy when you had GDM. Say whether you used diet alone or medicine, when you last had testing and what is missing. You do not need medical words to tell us your story. You can also browse our guidance for surrogates while you think it over.

About this guide: I’m Vivi, a Client Manager at LittleBee Surrogacy. I handle initial surrogate applications. I used the published requirements and medical sources listed below. Your own doctor can advise you about your health and care.

References

  1. Recommendations for practices using gestational carriers: a committee opinion (2022) — asrm.org, 2022

  2. 15. Management of Diabetes in Pregnancy: Standards of Care in Diabetes—2026 — pmc.ncbi.nlm.nih.gov, 2025-12-08

    Test detail: Soon after birth, pregnancy-related changes in red blood cells, blood loss at delivery and the time period A1C reflects can affect A1C results. The ADA therefore prefers an OGTT at 4–12 weeks postpartum.

  3. Diabetes Tests & Diagnosis — niddk.nih.gov, accessed 2026-10-14

  4. Gestational diabetes mellitus recurrence rate and risk factors: a systematic review and meta-analysis — sciencedirect.com, 2025-10-21

    Study detail: The pooled estimate was 50.7%, with a 95% confidence interval of 46.6%–55.2%. The studies involved different countries, populations and diagnostic criteria, with large differences between their results. Previous insulin use was associated with recurrence; this does not show that insulin caused it. The pooled result for family history was not statistically significant.

  5. 2. Diagnosis and Classification of Diabetes: Standards of Care in Diabetes—2026 — pmc.ncbi.nlm.nih.gov, 2025-12-08

  6. Blue Button — healthit.gov, accessed 2026-10-14

  7. Your Medical Records — hhs.gov, 2025-05-30