Second trimester Everything you need to know about how your baby's developing in the second trimester (13 to 27 weeks pregnant), plus tips for a healthy and happy pregnancy. Trending Your pregnancy: 27 weeks pregnant Your pregnancy: 26 weeks pregnant Your pregnancy: 25 weeks pregnant Your pregnancy: 24 weeks pregnant Your pregnancy: 22 weeks pregnant Your pregnancy: 21 weeks pregnant Your pregnancy: 20 weeks pregnant Your pregnancy: 19 weeks pregnant Your pregnancy: 18 weeks pregnant Your pregnancy: 17 weeks pregnant PREGNANCY Your pregnancy: 13 weeks pregnant You've finally reached the start of your second trimester. Here's what to expect now you've… PREGNANCY Your pregnancy: 14 weeks pregnant Find out what to expect this week, now that you're 14 weeks pregnant and into your second… PREGNANCY Your pregnancy: 15 weeks pregnant From feeling bunged up to starting to budget for your baby, here's what to expect now that… PREGNANCY Your pregnancy: 16 weeks pregnant Find out what to expect now that you're 16 weeks pregnant and into your second trimester.… PREGNANCY Your pregnancy: 17 weeks pregnant From growth spurts to puffy ankles, find out what's going inside you – and out – now that… PREGNANCY Your pregnancy: 18 weeks pregnant Find out what's happening inside you – and out – now that you're 18 weeks pregnant and… PREGNANCY Your pregnancy: 19 weeks pregnant Find out what's going on inside your body now that you're 19 weeks pregnant and firmly into… PREGNANCY Your pregnancy: 20 weeks pregnant You're officially halfway through your pregnancy! Here's what to expect now you've reached… PREGNANCY Your pregnancy: 21 weeks pregnant Over halfway through your pregnancy, it's time to enjoy the energy you (hopefully) have and… PREGNANCY Your pregnancy: 22 weeks pregnant Here's what to expect now that you're 22 weeks pregnant and over halfway through your… PREGNANCY Your pregnancy: 23 weeks pregnant Find out what to expect, inside and out, now that you're 23 weeks pregnant and into the… PREGNANCY Your pregnancy: 24 weeks pregnant What's going on inside and out now that you're 24 weeks pregnant and coming to the end of… PREGNANCY Your pregnancy: 25 weeks pregnant Discover what's going on now that you're 25 weeks pregnant and so close to the end of your… PREGNANCY Your pregnancy: 26 weeks pregnant Next week is the final week of your second trimester. In the meantime, here's what's going… PREGNANCY Your pregnancy: 27 weeks pregnant Hurrah, you've almost reached your third and final trimester! Before you know it your baby… REVIEWS The maternity clothes you need (and the ones you don't) Before you start making a dent in your bank balance, make sure you only buy what you really need. REVIEWS Clever buys to help you sleep better during pregnancy These products might help you to be more comfortable, relax and unwind more easily and… CHAT Pregnancy chat A place for general chat about all aspects of pregnancy, no matter what stage you're at. REVIEWS The best pregnancy pillows for your bump (and back!) A special pregnancy pillow that offers support where your body most needs it can help you… REVIEWS The best must-have maternity jeans A pair of perfectly fitting maternity jeans that doesn't break the bank is every pregnant… REVIEWS The best books for pregnancy and postnatal fitness We’ve rounded up our favourite books that address pregnancy and postpartum fitness in a… LOCAL Pregnancy services near you If you’re looking for antenatal classes or an aquarobics group, need a bra fitting, want to… PREGNANCY Sign up to our pregnancy emails Full of advice, tips and suggestions for having the best pregnancy, you can spend the next…