Second Trimester week by week Pregnancy Article 13-week pregnant: baby development and diet tips The start of your second trimester is the start of lots of new development milestones for your baby. Read more about this week. Pregnancy Article 14 weeks pregnant: baby development and diet tips When you are 14 weeks pregnant, your baby is about the size of a grapefruit! Have you felt her move or kick yet? If not, you should be able to in the next weeks! Pregnancy Article 15 weeks pregnant: baby development and diet tips Though your baby is planted deep inside you, this is the week where everything gets set up for his sense of smell. Read more about this week. Pregnancy Article 16-week pregnant: baby development and diet tips If you could see inside yourself and watch your growing baby, you might soon see him sucking his thumb! He has finally managed to get it into his mouth. Read more about this week. Pregnancy Article 17 weeks pregnant: baby development and diet tips Your little one now weighs more than 200g and is looking more and more like a “real” baby every day. Read more about this week. Pregnancy Article 18 weeks pregnant: baby development and diet tips Lots of leaps and bounds are happening in week 18, from nerve cells multiplying to the beginnings of fingerprints. Read more about this week. Baby Article 19 weeks pregnant: baby development and diet tips Your little lodger weighs between 300 and 400 grams – weigh a grapefruit in your hand and that’s about how heavy she is. Read more about this week. Pregnancy Article 20-week pregnant: baby development and diet tips There’s so much going on in your belly this week that you may want to take a little nap after reading about it! Read more about this week. Pregnancy Article 21 weeks pregnant: baby development and diet tips Though the baby now weighs around half a kilo, your little darling still has plenty of room in your belly. And likes to use it when not asleep! Read more about this week. Pregnancy Article 22-week pregnant: baby development and diet tips If you could look inside, you may see your baby sucking her thumb. It’s nature’s way of getting her ready to breastfeed from birth. Read more about this week. Pregnancy Article 23-week pregnant: baby development and diet tips Your baby’s feet are now 4.5 to 5cm in length now, and she weighs considerably over 700g. You have got around 16 more weeks to go! Read more about this week. Pregnancy Article 24-week pregnant: baby development and diet tips Can you feel the baby reacting to noises and your caresses yet? Towards the end of the second trimester is when some women report that this starts to happen, so be on the lookout. Pregnancy Article 25-week pregnant: baby development and diet tips Two more weeks left of the second trimester. You are gearing up for the home stretch. . Read more about how to help feed it. Pregnancy Article 26 weeks pregnant: baby development and diet tips A little ta-da moment for the final week of your second trimester – your baby will open her eyes for the first time around now! Read more about this week. Previous trimester See all Next trimester