Second Trimester of Pregnancy - Vitamin D is important so make sure you get enough

Week 13

Congratulations! Reaching the second trimester is a milestone. Many also feel much better than in the first trimester, with increased energy and less morning sickness and fatigue. You might want to start pregnancy yoga, or another activity that is safe for you and your baby, like swimming or walking. Staying active prepares you for the third trimester and the delivery. Baby's size: Peapod.

Week 14

The baby's lungs continue to develop, and some can feel the baby moving already, although for most it's too soon. Some women develop a dark line from the belly button down, this will go away after birth. Baby's size: Lemon.

Week 15

The little baby is now growing rapidly, and the ears has almost reached their permanent position on the head. The eyes are moving from the side of the head to the front of the face. Soft, thin hair starts to grow on the baby and will cover the body until birth. Baby's size: Apple.

Week 16

The baby's legs catches up with the arms and grow longer this week, and the baby's movement gets more and more coordinated. Baby's size: Avocado.

Week 17

Your baby's arms, legs, and core have caught up with the size of the head, and the baby is really starting to put on weight. The fat helps keep your baby warm and is important for metabolism. Vitamin D is an important vitamin for growth so really important for pregnant women to make sure you get enough. The best source is sunlight. Salmon and other oily fish are other good sources of vitamin D, so are eggs, mushrooms, and milk. Baby's size: Turnip

Week 18

This week, your little one is developing a unique feature: fingerprints! Many women first feel the baby’s movements between 16 and 20 weeks. This feeling can be compared to butterfly wings or like a little fish swimming. Baby's size: Bell pepper

Week 19

If you're carrying a girl, her little reproductive system is already well established. At birth she will have about one million eggs. Some pregnant woman experience pigmentation spots in their skin during pregnancy. This can gradually fade after birth. Exposure to the sun can darken the pigments in your skin even more, so remember to use sunblock. Baby's size: mango

Week 20

Congratulations–you’re halfway there! Around this time you can have your 20 week scan. Baby's size: Small banana (from about 20 weeks your baby will be measured to ensure it's growing as it should).

Week 21

Baby is starting to sleep and wake in subtle cycles. The heartbeat is now loud enough to be heard through a simple stethoscope, and will be twice as fast as yours. Baby's size: Carrot. Weight: about 360 grams.

Week 22

Tiny fingernails now completely cover the fingertips–and they keep growing. The baby can now make a fist. Baby's size: Spagetti squash. Weight: about 430 grams.

Week 23

The baby can now hear you. This is a nice time to start talking to the baby, and your partner can also talk to the little one and start connecting. Baby's size: Big mango. Weight: about 500 grams.

Week 24

This is a good time to book classes to prepare you and your partner for the birth and the time after birth. These classes usually start when you are about 30 weeks pregnant. Baby's size: Corn. Weight: about 600 grams.

Week 25

Your uterus is now about the size of a football, so it’s natural that your organs are feeling squished. Baby’s skin is still thin, wrinkled and pale, but getting a bit plumper every day. Baby's size: Swede. Weight: about 650 grams.

Week 26

Your baby is inhaling and exhaling small amounts of amniotic fluid, which is good practice for breathing. Baby's size: Cabbage. Weight: about 750 grams.

Week 27

Feel a tickle? It may be your baby hiccupping. He's also opening and closing his eyes and even sucking his fingers. Baby's size: Cauliflower. Weight: about 850 grams.

Week 28

Your developing baby's eyes may be able to see light filtering in through your womb. Baby's size: Aubergine. Weight: about 1 kg!