Week 25 of 40 Second Trimester

Week 25: Your Baby Is Gaining Healthy Fat

Your baby is steadily gaining weight now, with fat accumulating under the skin, giving a fuller, less wrinkled appearance.

Baby is the size of
Cauliflower
34.6 cm
660 g
63% through your pregnancy
Week 24 All Weeks Week 26
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Baby's Development

Your baby is gaining weight at a steadier pace now, with fat accumulating beneath the skin. This fills out the previously wrinkled, translucent appearance, giving your baby a fuller look.

Your baby's hands are now fully developed and functional, and grip strength is increasing — the famous reflex of gripping a finger placed in the palm is well-established by this point, even in the womb.

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Changes in Your Body

Your uterus is roughly the size of a soccer ball now. Many women notice increased fatigue returning, along with more pronounced physical demands as the third trimester approaches.

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Common Symptoms

Common at 25 weeks:

  • Continued strong movement
  • Backaches
  • Swelling
  • Hemorrhoids for some, due to increased pelvic pressure
  • Braxton Hicks contractions
  • Trouble sleeping
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Nutrition This Week

Adequate fiber and water intake can help prevent or ease hemorrhoids and constipation, both common as the growing uterus puts pressure on the rectal area. Avoid straining during bowel movements.

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Safe Exercises

Gentle daily movement supports healthy circulation, which can help reduce swelling and discomfort from hemorrhoids and varicose veins alike.

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Medical Checklist

This week:

  • Mention hemorrhoids to your doctor if bothersome — there are safe treatment options during pregnancy
  • Continue tracking movement
  • Start researching childbirth classes if you haven't enrolled yet
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Doctor Visit Guide

Routine visits continue. If you're Rh-negative, your doctor may discuss a RhoGAM injection around 28 weeks as a preventive measure — this is sometimes mentioned in advance at this visit.

Frequently Asked Questions

Yes, they're quite common due to increased blood volume, pressure from the growing uterus, and pregnancy-related constipation. They often improve after delivery, and your doctor can recommend safe treatments to ease discomfort in the meantime.

RhoGAM is given to Rh-negative mothers to prevent their immune system from developing antibodies against an Rh-positive baby's blood, which could cause complications in this or future pregnancies. Your doctor will explain whether this applies to you based on blood type testing.

The palmar grasp reflex is one of the earliest and strongest reflexes to develop, present well before birth. It's part of a set of automatic newborn reflexes that typically remain present for the first few months after birth too.
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