Skip to main content

Loading Pregnancy Power Hour...

Skip to main content
Pregnancy Power HourPregnancy Power Hour
HomeJust Found Out?How It WorksResourcesFAQsBook Your Session
Pregnancy Power HourPregnancy Power Hour

Pregnancy Power Hour

For Birthing People Everywhere

Just Found Out?PostsResourcesBook Your SessionWork With BrittanyFAQsContactMy Account

Explore

  • Due Date Calculator
  • By Week
  • Conditions
  • Can I…?
  • Foods
  • Nutrition
  • Exercise
  • Lifestyle
  • Prenatal Tests
  • Birth Options
  • Postpartum

Join our community

Stay updated with pregnancy tips and consultation updates.

© 2026 Total Ventures LLC. All rights reserved.

Privacy PolicyTerms of ServiceTerms of SaleMedical DisclaimerCookie Policy
Pregnancy Mood Swings at 31 Weeks Pregnant | Pregnancy Power Hour
← All symptoms

Week 31 symptom · mild

Pregnancy Mood Swings at 31 Weeks Pregnant

At 31 weeks, mood swings are common as late-pregnancy anticipation, physical fatigue, and hormonal shifts combine, making emotional regulation more challenging.

2 min read

Quick answer

At 31 weeks, mood swings are common as late-pregnancy anticipation, physical fatigue, and hormonal shifts combine, making emotional regulation more challenging.

Also called: emotional shifts

At 31 weeks pregnant, the emotional shifts often experienced throughout pregnancy can feel particularly amplified by the unique blend of late-pregnancy anticipation, growing physical fatigue, and the practical preparations for your baby's arrival. While mood fluctuations are a nearly universal experience during pregnancy, driven by significant hormonal shifts and the natural anxieties that come with such a profound life change, this stage of the third trimester brings its own distinct emotional landscape. You might find yourself cycling through excitement, impatience, and moments of overwhelm more rapidly than before, as your body works harder and your mind races with thoughts of what's to come.

The physical demands of being 31 weeks pregnant can significantly contribute to these emotional shifts. You might be experiencing more interrupted sleep, increased discomfort, or even symptoms like frequent urination, all of which can deplete your emotional reserves. This physical fatigue, combined with the mental load of preparing for birth and parenthood, can make it harder to regulate your emotions. It's a time when many parents-to-be find themselves reflecting on the journey so far, perhaps recalling earlier symptoms like the distinct food cravings at 7 weeks pregnant or the evolving preferences around food cravings at 8 weeks pregnant, and recognizing how much has changed. This reflection can sometimes bring a mix of nostalgia and a fresh wave of anxiety about the future.

It's important to differentiate between these common, passing emotional waves and more persistent feelings that might indicate perinatal depression or anxiety. While occasional low mood or worry is expected, if you find yourself experiencing persistent low mood, hopelessness, or anxiety that goes beyond these passing waves, it's worth exploring further. Research, including insights from the BMJ and ACOG, suggests that perinatal mood disorders affect a notable percentage of pregnancies. These are not just "bad days"; they are conditions that warrant attention and support. Understanding this distinction allows you to make informed decisions about your well-being.

Your autonomy in navigating these feelings is paramount. Recognizing that your emotional landscape is valid, whatever it looks like, is the first step. If you're feeling overwhelmed, know that there are evidence-based options for support. The Edinburgh Postnatal Depression Scale (EPDS) is a tool commonly used to screen for both depression and anxiety, and your provider is your best resource for discussing any concerns. ACOG recommends screening at least once prenatally, and again postpartum, to ensure comprehensive care. Therapy and certain medications, with sertraline being among the most studied, are recognized as effective approaches for managing these conditions. Open communication with your care team about how you're truly feeling is a powerful step toward ensuring you receive the collaborative support you deserve during this significant time.

Free · personalized to you

Get your First-Trimester Read

A short read from Brittany, tuned to your week and what’s weighing on you most — in your inbox in about 5 minutes.

Get my read →

Common questions

Are mood swings normal at 31 weeks?+

Yes, mood fluctuations are nearly universal in pregnancy, influenced by hormonal shifts and the unique anxieties of late pregnancy anticipation and physical fatigue.

When should I be concerned about my mood?+

If persistent low mood, hopelessness, or anxiety goes beyond passing waves, or if an EPDS screening score is ≥13, it may indicate a perinatal mood disorder.

What support is available for persistent mood issues?+

Evidence-based options include therapy and certain medications, with sertraline being among the most studied. Your provider is your best resource.

Brittany Nance

“Pregnancy is under-supported at every week. This is the kind of clear, calm guidance I give my one-on-one clients — and the questions worth taking back to your provider.”

Brittany Nance · Pregnancy Wellness Consultant · full-spectrum doula

Want to talk this through with someone who's been there?

Book a Power Hour with Brittany →

Want this kind of read in your inbox?

I send a short, doula-perspective note once a week — pregnancy reads worth your time, no fluff.

No spam. Unsubscribe anytime. Wellness info, not medical advice.

Written by Brittany Nance, Pregnancy Wellness Consultant· BADT Full Spectrum Doula · Founder, Pregnancy Power Hour
Last reviewed July 1, 2026

This is evidence-informed education from a birth-doula perspective, not medical advice. Always discuss your individual situation with your prenatal care provider.

Keep reading

  • RelatedPregnancy Mood Swings at 30 Weeks PregnantAt 30 weeks pregnant, emotional shifts are common as late-pregnancy anxiety, anticipation, and physical fatigue can compound hormonal fluctuations.
  • RelatedPregnancy Mood Swings at 33 Weeks PregnantAt 33 weeks, the interplay of late-pregnancy anxiety, anticipation, and physical fatigue can amplify emotional shifts, making mood fluctuations a common experience.
  • RelatedPregnancy Mood Swings at 29 Weeks PregnantAt 29 weeks, the emotional shifts of pregnancy can feel more pronounced as late-pregnancy anxiety, anticipation, and physical fatigue begin to compound.
  • RelatedPregnancy Mood Swings at 35 Weeks PregnantAt 35 weeks pregnant, emotional shifts are often a complex interplay of significant hormonal changes, the growing anticipation of birth, and increasing physical fatigue.
  • RelatedPregnancy Mood Swings at 32 Weeks PregnantAt 32 weeks pregnant, emotional shifts are common, often influenced by late-pregnancy anxiety, anticipation, and increased physical fatigue.
  • RelatedPregnancy Mood Swings at 34 Weeks PregnantAt 34 weeks pregnant, emotional shifts are often a blend of late-pregnancy anticipation, increasing physical fatigue, and hormonal changes.