What Happens at Your 37-Week Pregnancy Appointment

What your 37-week appointment covers

At 37 weeks, your baby is considered full-term, and your appointments shift focus toward labor readiness and delivery planning. Your provider will check your blood pressure and urine, measure your belly to track the baby's growth, and listen to the fetal heartbeat. You'll also have a cervical exam to see if your cervix has started to soften, thin, or dilate — information that helps predict when labor might begin.

This is also when your provider screens for Group B Streptococcus (GBS), a bacterium that doesn't harm you but can affect a newborn during delivery. The test is a simple swab of your vagina and rectum, sent to a lab for results. If you test positive, you'll receive antibiotics during labor to protect your baby.

Your provider will also discuss your birth plan in detail, confirm your hospital or birth center preferences, review pain management options, and talk through what happens if labor doesn't start on its own by 39 or 40 weeks. This is the time to ask about induction, monitoring during labor, and what to expect in the first hours after delivery.

Key Takeaways

• Your 37-week appointment includes blood pressure, urine, belly measurement, fetal heartbeat check, and a cervical exam to assess readiness for labor.
• You will have a Group B Streptococcus screening test (a vaginal and rectal swab) to determine if you need antibiotics during labor.
• This appointment is when you finalize your birth plan, discuss pain management options, and confirm where you will deliver.
• Your provider will explain what happens if labor doesn't start by 39 or 40 weeks and discuss induction or other next steps.

The cervical exam and what the findings mean

During the cervical exam, your provider uses a gloved finger to feel your cervix and assess three things: dilation (how open it is, measured in centimeters from 0 to 10), effacement (how thin or stretched it is, measured as a percentage), and consistency (whether it feels firm, medium, or soft). At 37 weeks, many people show no change, some show early softening, and a few are already dilated a centimeter or two. None of these findings predict when you will go into labor.

A cervix that is still firm and closed at 37 weeks is completely normal and does not mean labor is far away. Conversely, being 2 or 3 centimeters dilated does not mean you will deliver soon — some people stay at that dilation for weeks. Your provider uses the cervical exam as one piece of information, not as a prediction. If you find the exam uncomfortable or would prefer to skip it, you can ask to defer it to a later visit or decline it altogether.

Group B Streptococcus screening and what positive results mean

The GBS test is performed between 35 and 37 weeks and involves a quick swab of your lower vagina and rectum. The swab is sent to a lab and results usually come back within a few days. About 10 to 30 percent of pregnant people test positive, and this is not an infection or a sign that anything is wrong with you or your baby.

If you test positive, you will receive intravenous antibiotics (usually penicillin or ampicillin) during labor, starting when contractions begin or when your water breaks, whichever comes first. The antibiotics reduce the small risk that GBS will pass to your baby during delivery. You do not need antibiotics before labor starts, and a positive result does not change your birth plan or delivery method — you can still aim for a vaginal delivery or choose a cesarean section as planned.

If you test negative, no antibiotics are needed during labor. If you deliver before your results come back, your provider will treat you with antibiotics as a precaution and confirm your status afterward.

Discussing your birth plan and labor preferences

Your 37-week appointment is the right time to review your written birth plan with your provider and make sure everyone understands your preferences. Talk about pain management options: whether you want to labor without medication, use nitrous oxide or IV pain medication, or plan to have an epidural. Discuss positions you want to try during labor, whether you want continuous fetal monitoring or intermittent monitoring, and whether you plan to eat or drink during labor.

Ask about your provider's approach to common labor interventions like breaking your water, using Pitocin to strengthen contractions, or episiotomy (a cut to enlarge the vaginal opening). Clarify what happens if labor stalls, if the baby is in a breech position, or if fetal monitoring shows a concern. Discuss skin-to-skin contact with your baby right after delivery and whether your partner or support person will cut the umbilical cord if that matters to you.

If you are planning to deliver at a hospital or birth center you have not visited, ask if you can tour the labor and delivery unit. Knowing where you will labor, where the bathroom is, and where your partner will sit can reduce anxiety on the day.

What happens if labor doesn't start by your due date

Most pregnancies last between 37 and 42 weeks. If you reach 39 weeks without going into labor, your provider will discuss the option of induction — using medication or mechanical methods to start contractions. If you reach 42 weeks, induction is usually recommended because the risk of stillbirth and other complications rises after that point.

Induction typically begins with a medication called misoprostol or dinoprostone, placed in or near your cervix to soften it, or with a Foley balloon catheter that gently stretches the cervix. Once your cervix is ready, Pitocin (synthetic oxytocin) is given intravenously to trigger contractions. The process can take many hours and does not always result in vaginal delivery — some inductions lead to cesarean section.

At your 37-week appointment, ask your provider about their induction rate, how long they typically allow labor to progress before recommending cesarean delivery, and whether you can labor at home for a few hours after induction begins if your cervix is favorable. Understanding these details now means you will not be making major decisions in active labor.

Preparing for the weeks ahead

Between 37 weeks and delivery, you will likely have appointments every week (or every few days if you go past your due date). Bring a list of questions or concerns to each visit, and do not hesitate to call your provider between appointments if you notice decreased fetal movement, vaginal bleeding, severe abdominal pain, or signs of labor like regular contractions or fluid leaking from your vagina.

Make sure your hospital bag is packed and your birth partner knows the plan for getting to the hospital or birth center. Confirm that your provider will be on call when you go into labor, or understand who will deliver your baby if your provider is unavailable. If you are planning to breastfeed, ask whether your hospital or birth center has a lactation consultant available after delivery.

Frequently Asked Questions

Can I refuse the Group B Streptococcus test?

Yes, you can decline the test. If you do, your provider will likely recommend antibiotics during labor as a precaution. Discuss the risks and benefits with your provider so you can make an informed choice.

What does it mean if my cervix is already 2 centimeters dilated at 37 weeks?

Early dilation does not predict when labor will start. Some people stay at 2 centimeters for weeks; others progress quickly. Your provider will monitor you at each visit but will not induce labor based on dilation alone unless there is another medical reason.

Is the cervical exam painful?

It can be uncomfortable, especially if your cervix is still firm. The exam lasts only a few seconds. If it is very painful, tell your provider — they may be able to adjust their technique, or you can ask to defer the exam to a later visit.

What if I go into labor before my Group B Streptococcus results come back?

Your provider will give you antibiotics during labor as a precaution. Once results are available, they will confirm whether the antibiotics were necessary, but starting them early does no harm.

Can I still have a vaginal delivery if I test positive for Group B Streptococcus?

Yes. A positive GBS result does not change your delivery method. You will receive antibiotics during labor, and vaginal delivery is still the plan unless another medical reason calls for cesarean section.