Pregnancy week by week

See how your baby grows each week, what is happening in your body, and what to do next, from week 1 to your due date.

First trimester: weeks 1 to 13

Conception, the first heartbeat and the start of every organ. Symptoms such as nausea and tiredness are common.

Week 1Not conceived yet Week 2Not conceived yet Week 3A pinhead Week 4A poppy seed Week 5A sesame seed Week 6A lentil Week 7A blueberry Week 8A raspberry Week 9A cherry Week 10A strawberry Week 11A fig Week 12A lime Week 13A lemon

Second trimester: weeks 14 to 27

Often the most comfortable stretch. You will feel your baby move and have your anomaly scan.

Week 14A nectarine Week 15An apple Week 16An avocado Week 17A pear Week 18A bell pepper Week 19A mango Week 20A banana Week 21A carrot Week 22A papaya Week 23A grapefruit Week 24An ear of corn Week 25A cauliflower Week 26A head of lettuce Week 27A cabbage

Third trimester: weeks 28 to 40

Rapid growth and preparing for birth. Appointments become more frequent.

Week 28An aubergine Week 29A butternut squash Week 30A cucumber Week 31A coconut Week 32A jicama Week 33A pineapple Week 34A cantaloupe melon Week 35A honeydew melon Week 36A romaine lettuce Week 37A winter melon Week 38A pumpkin Week 39A small watermelon Week 40A watermelon