Pregnancy week by week
Follow every stage of pregnancy from week 4 to week 40 — see how many months each week is, your baby’s size that week, what’s developing, and count down to your due date. Pick your week to get started.
First trimester · Weeks 4–13
4 weekspoppy seed5 weeksapple seed6 weekssweet pea7 weeksblueberry8 weeksraspberry9 weekscherry10 weeksstrawberry11 weeksfig12 weekslime13 weekslemon
Around 1–3 months.
Second trimester · Weeks 14–27
14 weekspeach15 weeksapple16 weeksavocado17 weeksturnip18 weeksbell pepper19 weeksmango20 weeksbanana21 weekscarrot22 weekspapaya23 weekslarge mango24 weeksear of corn25 weekscauliflower26 weekshead of lettuce27 weekscauliflower
Around 4–6 months.
Third trimester · Weeks 28–40
28 weekseggplant29 weeksbutternut squash30 weekscabbage31 weekscoconut32 weekssquash33 weekspineapple34 weekscantaloupe35 weekshoneydew melon36 weekshead of romaine lettuce37 weeksbunch of Swiss chard38 weeksleek39 weeksmini watermelon40 weekssmall pumpkin
Around 7–9 months.
Not sure how far along you are? Use the due date calculator to work out your week and due date from your last period.