23 Weeks Pregnant
Summary
Size
grapefruit
Length
28.9 cm
Weight
501 g
Until due date
17 weeks
23 / 40 week
%57
What's Happening With Your Baby
The lungs begin producing surfactant — the substance that will make breathing possible after birth. The baby can distinguish sounds and may startle at sudden noises. The skin is still wrinkled as there is little fat yet.
What's Changing For You
Swelling (oedema) in the ankles and wrists may begin. You may feel Braxton Hicks contractions — painless and irregular practice tightenings.
To Do This Week
The glucose tolerance test falls between weeks 24 and 28 — plan your appointment.
Seek care immediately for sudden severe swelling, headache or blurred vision.
Don't overdo salt, but don't cut it out entirely either — aim for balance.
Frequently Asked Questions
How many months is 23 weeks pregnant?
Week 23 of pregnancy falls in month 6 and in the second trimester. Pregnancy months don't run in neat four-week blocks, so the week-to-month conversion rarely lands on a whole number — which is why pregnancy is tracked in weeks.
How big is the baby at 23 weeks?
At 23 weeks your baby is roughly the size of a grapefruit: around 28.9 cm long and 501 grams. These are averages; clear variation between babies is normal, and what matters is the growth curve your doctor is tracking.
How long is left at 23 weeks pregnant?
Assuming a 40-week pregnancy, you have around 17 weeks left at week 23. Most births happen between weeks 37 and 42, so a due date is a range rather than a fixed day.
What should I watch out for at 23 weeks?
The glucose tolerance test falls between weeks 24 and 28 — plan your appointment. Seek care immediately for sudden severe swelling, headache or blurred vision. Don't overdo salt, but don't cut it out entirely either — aim for balance.
Track your pregnancy week by week
Baby Wallie brings your baby's weekly development, your health logs and AI-powered nutrition, sleep and breathing programs into one app. Free for 7 days.
Related Guides
When To Seek Care Immediately
Whatever week you are in, contact your doctor or the nearest health facility without waiting if you have: vaginal bleeding or fluid loss, severe persistent abdominal pain, a severe headache, blurred vision or flashing lights, sudden swelling of the hands or face, a fever above 38 °C, burning on urination with fever, persistent vomiting, fainting, or — after week 28 — a clear reduction in your baby's movements. In these situations reach real medical care rather than an app or a web search.
This content is for informational purposes only and does not replace medical advice. Always consult your doctor or midwife about your own or your baby's health.