28 Weeks Pregnant
Welcome to week 28 of pregnancy. Your baby is now about the size of an eggplant — roughly 37.6 cm from crown to rump and around 1000 grams. Below: what is developing, what you may be feeling, and the appointments that belong to this week.
Baby at 28 weeks
| Size comparison | About the size of an eggplant |
|---|---|
| Crown-to-rump length | ~37.6 cm |
| Weight | ~1000 g |
| Trimester | Trimester 3 of 3 · about 6.4 months |
What's developing
- Third trimester begins. The fetus can open its eyes and responds to light.
- Brain growth accelerates dramatically from this point onward.
- Lung development continues — surfactant production, which lets air sacs inflate, is ramping up.
You at 28 weeks
- Fetal movement becomes strong and regular — learn your baby's pattern.
- Shortness of breath and heartburn are common as organs shift upward.
- Swelling in feet and ankles often appears, especially later in the day.
This week's checklist
- Gestational diabetes screening happens in the 24–28 week window — if not done, book it.
- Count kicks daily from 28 weeks; report any significant slowdown.
- The Tdap vaccine is recommended at 27–36 weeks to protect the newborn.
Frequently asked questions
How many months is 28 weeks?
About 6.4 months — use the weeks-to-months converter for the full breakdown.
Is my due date still accurate at this stage?
If your dating came from a first-trimester scan, IVF dates, or tracked ovulation, yes. If your due date rests on a remembered period alone, the multi-anchor due date calculator can show how much other anchors would move it.