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Pregnancy Mood Swings at 33 Weeks Pregnant | Pregnancy Power Hour
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Week 33 symptom · mild

Pregnancy Mood Swings at 33 Weeks Pregnant

At 33 weeks, the interplay of late-pregnancy anxiety, anticipation, and physical fatigue can amplify emotional shifts, making mood fluctuations a common experience.

2 min read

Quick answer

At 33 weeks, the interplay of late-pregnancy anxiety, anticipation, and physical fatigue can amplify emotional shifts, making mood fluctuations a common experience.

Also called: emotional shifts

At 33 weeks pregnant, the emotional landscape often feels more pronounced, as your body prepares for birth and your mind navigates the anticipation of welcoming your baby. It's a time when the hormonal shifts present throughout pregnancy, coupled with the natural anxieties of life context, can feel particularly amplified. This period brings its own unique blend of excitement and apprehension, and it's completely understandable if your emotions feel more dynamic than usual. The physical fatigue common in the third trimester can also play a significant role, making it harder to manage emotional responses and contributing to a sense of overwhelm.

Mood fluctuations are nearly universal in pregnancy, and at 33 weeks, this can be further influenced by the increasing physical demands on your body and the mental preparation for labor and parenthood. You might find yourself feeling incredibly joyful one moment, then tearful or irritable the next. This is a common experience, and recognizing it as part of the late-pregnancy experience can bring a measure of calm. While some early pregnancy symptoms, like intense food cravings at 6 weeks pregnant, might feel like a distant memory, the emotional shifts now are a distinct aspect of this final stretch. It’s about understanding what’s happening within your body and mind, rather than feeling like you need to control every emotion.

However, it's also important to distinguish between these common emotional shifts and more persistent concerns. If you find yourself experiencing persistent low mood, hopelessness, or anxiety that extends beyond passing waves, it's worth exploring further. Evidence suggests that perinatal depression or anxiety can affect 15–23% of pregnancies, and recognizing these feelings is a crucial first step toward support. Your care provider is your best resource for your specific situation. They can offer guidance and, if appropriate, use screening tools like the Edinburgh Postnatal Depression Scale (EPDS), where a score of ≥13 suggests a likely clinical concern. ACOG recommends screening at least once prenatally, and again at 1-month and 3-month postpartum visits, ensuring ongoing support for your well-being.

Untreated perinatal mood disorders carry potential risks for both pregnancy and infant outcomes, highlighting the importance of open conversation and informed decisions. Options like therapy and certain SSRIs, with sertraline being among the most studied, are evidence-based approaches that can offer significant support. Just as you might be preparing for other late-pregnancy changes, such as the increased frequency of frequent urination at 37 weeks pregnant or even more pronounced frequent urination at 38 weeks pregnant, understanding your emotional health is a vital part of preparing for birth and postpartum. Remember, you get to decide what feels right for you and your family, and having clear information helps you make those choices confidently.

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Common questions

Are mood swings common at 33 weeks?+

Yes, mood fluctuations are nearly universal in pregnancy, often compounded by hormonal shifts and the unique anxieties of late pregnancy.

When should I be concerned about my mood?+

If you experience persistent low mood, hopelessness, or anxiety beyond passing waves, it may indicate perinatal depression or anxiety, which affects 15–23% of pregnancies.

How can my provider help with mood concerns?+

Your provider can screen for perinatal mood disorders using tools like the Edinburgh Postnatal Depression Scale (EPDS) and discuss evidence-based options like therapy or SSRIs.

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

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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.

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