There isn’t one “hardest” month for everyone, but many find the early first trimester (around weeks 6–9) the hardest due to intense nausea and fatigue, while others find late third trimester (around weeks 32–40) toughest because of sleep trouble, pain, heartburn, and labor-related discomforts.
Why early weeks feel hardest?
- The first trimester brings a rapid hormone surge and major body changes, leading to pronounced nausea, vomiting, extreme tiredness, breast tenderness, and frequent urination, which many describe as the most challenging phase.
- For some, fatigue and morning sickness peak in the first trimester and only ease in the second (“honeymoon”) trimester, which is why early pregnancy often feels overwhelming.
Why late pregnancy feels hardest?
- The third trimester often feels most physically uncomfortable: shortness of breath, frequent urination as the fetus drops, Braxton Hicks contractions, back/hip pain, swelling, and sleep disruption are common.
- Many report escalating heartburn, reflux, and nausea returning late in pregnancy due to abdominal crowding and hormonal shifts, compounding fatigue and insomnia.
Individual differences
- Experiences vary widely: some struggle most with weeks 6–9, others with weeks 32–40, and some find both phases “hard in different ways” (sickness vs. physical discomfort and sleep issues).
- Most people find the second trimester comparatively easier, with improved energy and reduced nausea, though aches, cramps, or heartburn may still occur.
Practical tips by phase
- First trimester: Small, frequent meals, ginger or vitamin B6 if approved, hydration, and rest can help manage nausea and fatigue; follow clinician guidance if vomiting is persistent.
- Third trimester: Prioritize sleep hygiene, side-sleeping with pillows, light activity as tolerated, heartburn-friendly diet, and review signs of true labor vs. Braxton Hicks with the care team.
Bottom line
- If one phase must be named, the first trimester is often cited as the hardest due to nausea and exhaustion, while the late third trimester can be the most uncomfortable and “painful” as the body prepares for birth.