Week by week · weeks 4–42
Your pregnancy, week by week.
What may change for you, broad development for baby or babies, and the source behind every line — no fruit sizes, no countdown pressure.Updated 27 August 2026
Explore a week
Second trimester
A date is not a verdict
Leg cramps or interrupted sleep can occur around mid-pregnancy. Scheduled appointments and scans differ by care system and individual plan.
Within the broad weeks 17–20 range, fine hair called lanugo begins covering the body; timing is not an exact weekly milestone.
Every week
First trimester
Second trimester
- Week 14Keep touch explicit
- Week 15Protect processing time
- Week 16Name the purpose
- Week 17Plan the exit
- Week 18Make silence legible
- Week 19Reduce the audience
- Week 20A date is not a verdict
- Week 21Make questions visible
- Week 22Plan for sensory recovery
- Week 23Keep options separate
- Week 24Believe direct reports
- Week 25Build the handoff
- Week 26Make the plan portable
- Week 27Close the loop
Third trimester
- Week 28Start with consent
- Week 29Choose the room signal
- Week 30Give support a job
- Week 31Plan for changes
- Week 32Keep preferences usable
- Week 33Design the waiting
- Week 34Make repetition deliberate
- Week 35Protect the first minute
- Week 36Prepare the after-room
- Week 37Keep urgency clear
- Week 38Use one voice
- Week 39Hold the plan lightly
- Week 40A due date is an estimate
- Week 41Make next steps concrete
- Week 42Let the care plan lead
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Source receipts reviewed 27 August 2026. General information that Pace, Please has summarised from the public sources named on this page. It is not medical advice, does not assess your pregnancy, and every pregnancy differs. Your care team and your own care plan come first.
If something feels wrong, contact your maternity team now. In an emergency, call your local emergency number.