Second trimester

Pregnancy Week 25

A practical week 25 guide covering fetal development, symptoms, nutrition, prenatal tests, baby size comparison, and warning signs to discuss with your care team.

Week 25 ยท cauliflower

Fetal development

Skin is still thin, while fat stores begin increasing.

Baby size comparison

Around week 25, baby is roughly comparable to a cauliflower. Estimated size: about 14.4 inches and 33.6 ounces, with natural variation.

Common symptoms

  • Energy, appetite, sleep, and digestion may change.
  • Some people notice cramps, bloating, skin changes, or back discomfort.
  • Symptoms vary widely, and absence of a symptom does not always mean a problem.

Tests and appointments

  • Weeks 24-28: Gestational diabetes screening, CBC, and Rh antibody follow-up if needed.

Nutrition focus

  • Include protein, fiber-rich carbohydrates, colorful produce, and healthy fats.
  • Ask about iron, folic acid, iodine, vitamin D, choline, and omega-3 needs.
  • Follow local food-safety advice for fish, caffeine, unpasteurized foods, and supplements.

Warning signs

  • Call your care team for heavy bleeding, severe pain, fever, fainting, severe headache, vision changes, fluid leakage, or decreased fetal movement later in pregnancy.
  • Emergency symptoms should be handled urgently according to local medical guidance.

Medical disclaimer

This week-by-week pregnancy content is educational and does not replace care from a qualified healthcare professional.