Day 163 of 280 · 23 weeks + 2 days
Leaking
Last reviewed · 2 min read · 9 sources · Plain-text version
Twenty-three weeks and two days. Your breasts may start leaking colostrum, an early milk. Today you put a few pads in a drawer and one in your bag.
- Size this week
- about the size of a large mango
- Length this week
- around 28.9 cm from head to heel

Twenty-three weeks and two days. Your body is already making the first food your baby will have, months early. Sometimes it shows, usually on a shirt at the wrong moment. Today is a small fix for that.
Your baby

Your body
Your breasts may start leaking colostrum, an early form of milk (NHS). It can look like yellow stains in your bra; the NHS mentions those as early as 14 weeks and says they're probably colostrum, your first milk (NHS). Sore or leaky breasts are on the list of earlier symptoms that may carry on through these weeks (NHS).
The word the NHS uses is "may", so whether you leak now or not, don't read anything into it. After the birth, milk typically comes in three to six days after delivery, and breasts may leak and feel full even if you're not breastfeeding (OWH). So the pads you buy this week won't go to waste.
Try today
The breast-pad drawer
Time: 5 minutes, plus one shop
Add a pack of breast pads to this week's shopping. Disposable or washable, whichever you'd actually use.
Put a few in the top drawer, next to your bras, so they're there when you get dressed.
Put one or two in the bag you carry every day, in a small pouch.
Keep the rest of the pack. You'll want it again in the first week after the birth, when milk comes in (OWH).
Make it work:A dark or patterned top is a fine backup on days you forget.
Watch for
Normal
colostrum leaking from your breasts (NHS).
Normal
a little urine leaking when you cough or sneeze; Kegel exercises help (MedlinePlus).
Call your provider
for pain when you pee, or a change in the smell or colour of your urine, which may be a bladder infection (MedlinePlus).
Normal
a white, milky vaginal discharge, which the NHS lists among the earlier symptoms (NHS).
Call your provider
if discharge has a foul smell or a greenish colour, or comes with itching or pain (MedlinePlus).
For you
Leaking anything can feel embarrassing in a body that's already doing a lot in public. It isn't a sign of anything going wrong; it's your body doing a job early (NHS).
If you're the partner: the pads go on the shopping list without a conversation about it. That's the whole job.
Sources
- NHS. "Week 23." Week-by-week guide to pregnancy, Best Start in Life. https://www.nhs.uk/best-start-in-life/pregnancy/week-by-week-guide-to-pregnancy/2nd-trimester/week-23/
- National Institute of Child Health and Human Development. "About Pregnancy." NIH. https://www.nichd.nih.gov/health/topics/pregnancy/conditioninfo
- NHS. "Week 14." Week-by-week guide to pregnancy, Best Start in Life. https://www.nhs.uk/best-start-in-life/pregnancy/week-by-week-guide-to-pregnancy/2nd-trimester/week-14/
- NHS. "Week 21." Week-by-week guide to pregnancy, Best Start in Life. https://www.nhs.uk/best-start-in-life/pregnancy/week-by-week-guide-to-pregnancy/2nd-trimester/week-21/
- Office on Women's Health. "Recovering from birth." U.S. Department of Health and Human Services. https://womenshealth.gov/pregnancy/childbirth-and-beyond/recovering-birth
- Office on Women's Health. "Pregnancy complications." U.S. Department of Health and Human Services. https://womenshealth.gov/pregnancy/youre-pregnant-now-what/pregnancy-complications
- Centers for Disease Control and Prevention. "Urgent Maternal Warning Signs and Symptoms." HEAR HER campaign, 2024. https://www.cdc.gov/hearher/maternal-warning-signs/index.html
- MedlinePlus. "Common symptoms during pregnancy." National Library of Medicine. https://medlineplus.gov/ency/patientinstructions/000583.htm
- NHS. "Week 20." Week-by-week guide to pregnancy, Best Start in Life. https://www.nhs.uk/best-start-in-life/pregnancy/week-by-week-guide-to-pregnancy/2nd-trimester/week-20/
This guide is general education that summarizes published research and guidance from groups like the American Academy of Pediatrics, the CDC, and the WHO. It isn’t medical advice, and every child develops on their own timeline. Your pediatrician knows your child; if something feels wrong, call them. In an emergency, call 911.
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