🌻 Second Trimester Guide (Weeks 13-27)
PH
PureHealthness Editorial Team · Health writers & reviewers
📝 Last reviewed: August 2026
✔ Transparent sourcing · Some articles are AI-drafted, then reviewed & fact-checked by our team
📝 Last reviewed: August 2026
What happens: nausea usually eases, the uterus rises, and you may feel movement (quickening) around weeks 18-22.
Exercise: the best time for prenatal strength — squats, rows, walking, swimming, prenatal Pilates. Avoid lying flat on your back for long periods.
Watch for: round ligament pain (sharp, brief — normal), leg cramps, and mild swelling. Report severe swelling, bleeding or pain immediately.
Nutrition: +340 kcal/day in trimester 2. Prioritise iron, calcium, choline and omega-3.
Emergency signals — contact your provider immediately: heavy bleeding, severe headache with vision changes, sudden severe swelling, fever, fluid leakage, decreased fetal movement, or contractions before 37 weeks.
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