# Pregnancy Mood Swings at 34 Weeks Pregnant

Source: https://www.pregnancypowerhour.com/pregnancy/symptoms/mood-swings-week-34
Last updated: 2026-07-01

> At 34 weeks pregnant, emotional shifts are often a blend of late-pregnancy anticipation, increasing physical fatigue, and hormonal changes.

At 34 weeks pregnant, the emotional shifts you might be experiencing are often a complex interplay of late-pregnancy anticipation, increasing physical fatigue, and the natural hormonal fluctuations of your third trimester. As you near the end of your pregnancy, it's common to feel a heightened sense of excitement mixed with anxiety about the upcoming birth and parenthood. This period can bring a unique set of emotional experiences, different from earlier stages, such as when you might have been navigating [Food Cravings at 6 Weeks Pregnant](/pregnancy/symptoms/cravings-week-6).

Mood fluctuations are nearly universal in pregnancy, driven by both significant hormonal shifts and the life-context anxiety that comes with such a profound change. You might find yourself feeling more sensitive, tearful, or easily overwhelmed. This is a very common experience, and understanding its roots can bring a sense of calm. However, it's also important to distinguish these common emotional shifts from more persistent feelings that might signal a need for additional support. For instance, as you get closer to your due date, physical discomforts like [Frequent Urination at 36 Weeks Pregnant](/pregnancy/symptoms/frequent-urination-week-36) or [Frequent Urination at 37 Weeks Pregnant](/pregnancy/symptoms/frequent-urination-week-37) can also contribute to overall fatigue and emotional strain, making these weeks particularly challenging.

While passing waves of low mood or anxiety are common, persistent feelings of low mood, hopelessness, or anxiety that extend beyond these transient shifts may indicate a perinatal mood disorder. Research from sources like the BMJ and ACOG suggests that these conditions affect 15–23% of pregnancies. It's truly important to remember that these are not a reflection of your strength or capability, but rather a health concern that warrants attention and support. The Edinburgh Postnatal Depression Scale (EPDS) is a widely used screening tool for both depression and anxiety, and a score of 13 or higher can suggest a likely clinical concern.

Making informed decisions about your emotional well-being is a key part of a confident pregnancy. ACOG recommends screening for perinatal mood disorders at least once during pregnancy and again at 1-month and 3-month postpartum visits. Untreated perinatal mood disorders carry potential risks for both the pregnant person and the infant. The good news is that evidence-based options like therapy and certain SSRIs, such as sertraline, have been well-studied and can be very effective. Open communication with your care provider is your best resource for understanding your specific situation and exploring the options that feel right for you.