25 weeks pregnant
Second trimester about 5 months
At 25 weeks pregnant, your baby is about the size of a head of broccoli.
Baby this week
About 34cm. The baby is filling out with more fat. Hair color and texture are developing, and the nostrils are beginning to open to practice breathing motions.
Did you know? The baby's nostrils open around week 25, beginning practice breathing motions — inhaling and exhaling amniotic fluid to develop the lungs.
What she may be feeling
- Strong fetal movement
- Back pain
- Heartburn
- Hemorrhoids
- Swelling
- Stretch marks
- Fatigue
- Braxton Hicks
Tips for her this week
- Practice kick counts daily — you should feel at least 10 movements in 2 hours.
- Hemorrhoids may worsen — mention to your doctor, there are safe treatments.
- Back pain can be helped by a support belt, better footwear, and targeted stretching.
- Start preparing postpartum: line up help, stock your freezer, set up your recovery space.
For partners
- Three-quarters of the way through the second trimester — start preparing mentally for the home stretch.
- The baby shower may be coming up soon — be involved in planning and coordinating.
- Start reading about newborn care: diapering, bathing, feeding basics, safe sleep.
- If you haven't toured your birthing facility, now is a great time.
Partner to-do list
- Tour the birthing facility if not done
- Help with baby shower planning and logistics
- Research and study newborn care basics
- Freeze meals: start meal prep for the postpartum period
This week together
- Tour birthing facility
- Discuss cord blood banking decision
- Start freezer meal prep
- Review and finalize birth plan
When to call your doctor or midwife
Contact your care provider right away, or call emergency services, if she has:
- Decreased fetal movement (less than 10 movements in 2 hours)
- Signs of preeclampsia
- Regular contractions
- Heavy bleeding
- Fever
Trusted guidance: NHS: Pregnancy · NHS: Pregnancy complications · ACOG: Pregnancy · Pregnancy Info: Your pregnancy
Common questions
How big is the baby at 25 weeks?
At 25 weeks pregnant, your baby is about the size of a head of broccoli. About 34cm.
How many months is 25 weeks pregnant?
25 weeks pregnant is about 5 months, in the second trimester.
What can partners do at 25 weeks?
Three-quarters of the way through the second trimester — start preparing mentally for the home stretch. The baby shower may be coming up soon — be involved in planning and coordinating.