Pregnancy Week by Week - Week 13 to 24

We've already provided you with the details of the pregnancy week by week for the first trimester. This article is designed to provide more information about the second trimester in order that you can see exactly what to expect and at what time.

Week 13 - During this week, your baby will develop their vocal cords. They will also start to develop their internal organs such as the intestines.

Week 14 - A very exciting time for expectant mothers as this is the first week that is possible to hear your baby's heart beat, with ultra sound equipment. Their arms and hands are also able to move around a bit more freely.

Week 15 - The great thing about understanding the changes of pregnancy week by week is that you will have a greater understanding of exactly how you baby is developing. During this week, your baby's neck is ready to take the weight of their head which was previously rested on the shoulders.

Week 16 - Your baby will start to develop their toe nails this week as well as continuing the development of their neck and head.

Week 17 - This week is all about the subtle movements your baby will learn about, for example they will be able to open and close their eyes, swallow and may even attempt to suck their fingers. Your baby will continue to increase its weight and size. So this is usually around the time that other people start to think you are pregnant.

Week 18 - This is an important week in the development of your baby, you may find that you will have a scan booked or an appointment with your medical team. By the end of this week, your baby's ears and eyes will have moved to their correct position.

Week 19 - During the pregnancy week by week changes are occurring in different areas. For example, your body is changing in readiness for the development of the baby. The baby is also rapidly developing, as well as forming protection around the baby.

Week 20 - This is a major milestone week, the chances of complications or miscarriage are greatly reduced after week 20, plus most of the major changes have already taken place. Interestingly, your baby will be taking regular naps, just the same as its mother should be.

Week 21 - You may start to experience greater sensations of movement from your baby. This is due to the advanced development in their legs which enables them to kick. They will continue to steadily develop and grow in strength, an active baby will be felt quite regularly as it moves around. You will also be able to listen to the heart beat of the baby without the need for ultra sound, a stethoscope is enough.

Read more of our articles on pregnancy week by week

Pregnancy Week by Week - Week 1 to 12
Pregnancy Week by Week, An Overview