Day 173 of 280 · 24 weeks + 5 days
Spacing
Last reviewed · 3 min read · 7 sources · Plain-text version
A first conversation, not a decision: how soon another pregnancy could happen, what the gap does for a baby, and the one question to bring to your provider.
- Size this week
- about the size of a corn on the cob
- Length this week
- around 30 cm from head to heel

Twenty-four weeks and five days. Today's subject sounds like it belongs after the birth, but the NHS puts it on this week's list, so here it is: the next pregnancy, and how far apart you'd want them.
Your baby

Around 30cm long from head to heel, about the size of a corn on the cob (NHS). By 24 weeks, footprints and fingerprints have formed, and the fetus sleeps and wakes on a regular schedule (NICHD). If you've started to notice a quiet stretch and a lively one at roughly the same times each day, that schedule is what you're feeling.
Your body
"Plan your contraception for after the birth" is on the NHS's to-do list for week 24 (NHS), and next week's page gives the reason: short gaps between babies can cause problems (NHS). The US pages add the numbers. You may become pregnant as early as 4 weeks after delivery, and MedlinePlus says to talk with your provider about contraception before you leave the hospital (MedlinePlus). Waiting at least 18 months between pregnancies reduces the risk of preterm birth (CDC).
That is why it comes up now, at a visit with time to think, rather than in a hospital room with a newborn and a discharge nurse waiting.
Try today
The spacing conversation
Time: 15 minutes, together
Say the question out loud first: if there were another baby, when? "Never" and "no idea" are both complete answers today.
Write down the two facts: pregnancy is possible as early as 4 weeks after delivery (MedlinePlus), and at least 18 months between pregnancies lowers the risk of preterm birth (CDC).
Write one question for your provider: which contraception options fit the gap you have in mind, and whether feeding the baby changes the answer.
Put the question on the list for your next visit, so the hospital conversation MedlinePlus describes is a reminder, not a first draft.
Make it work:Nothing is decided today. If the two of you don't agree yet, that is exactly why the conversation starts now and not at the hospital door.
Watch for
Normal
the baby's quiet and busy times falling at roughly the same hours (NICHD).
Normal
pains around the ribs, back, breasts, bottom and stomach, which the NHS calls common at 24 weeks (NHS).
Call your provider
for severe belly pain that doesn't go away (CDC).
Normal
feeling hot, which sits on the NHS's symptom list for this week (NHS).
Call your provider
for a fever of 100.4°F (38°C) or higher (CDC).
For you
Talking about the next baby in the middle of this one can feel like getting ahead of yourself. It isn't. It's the one piece of family planning the sources put on this week's list, and it's easier with a full night's sleep behind you than with a newborn in the room. The NHS's advice this month is to share worries with your partner, friends or family rather than carry them alone (NHS).
If you're the partner: this is your question as much as hers, and the contraception half of it is not hers to carry alone. Come to the next visit with the question written down, and be ready to be the one who asks it.
Sources
- NHS. "Week 24." 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-24/
- NHS. "Week 25." 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-25/
- 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." National Institutes of Health. https://www.nichd.nih.gov/health/topics/pregnancy/conditioninfo
- MedlinePlus. "Vaginal delivery - discharge." National Library of Medicine. https://medlineplus.gov/ency/patientinstructions/000628.htm
- Centers for Disease Control and Prevention. "Preterm Birth." https://www.cdc.gov/maternal-infant-health/preterm-birth/index.html
- 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
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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