pregnancy experiences and advice with other ThinkBaby members in the pregnancy folder. Blog it - Whatever you decide for your 20-week scan , you can keep a record of it all in a pregnancy blog on the site, so why not update or start your own? Other weeks

're having a home birth then join in the debate on the forum.You can join in the discussions and share birth experiences and advice with other ThinkBaby members in the birth folder. Getting bigger all the time - My midwife says that after 35 weeks the baby

and share birth experiences and advice with other ThinkBaby members in the pregnancy or birth folders. Other weeks 1-4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27

25-week fetus - Image courtesy of BabybondWant to see a bigger pic?Your baby is gaining weight fast and now weighs in at around 750g, around 1.6lbs, measuring around 35 centimetres. Spinal growth and strengthening is continuing this week. His lungs

Image of 23-week fetus courtesy of BabybondWant to see a bigger pic?Your baby is now about 26 centimetres long and weighs about 500 grammes or 1.1lbs. He’s rapidly bulking up now, with bone mass, muscle, organ growth and fat. His skin is wrinkled

Image of 12-week fetus courtesy of BabybondWant to see a bigger pic?Your baby will now be between 6.5 and 9cm long and weigh between 14 and 20 grammes. Her head now takes up about half the length of her body and from here on in will grow more slowly

descending back into the pelvis shortly before birth. You may see a dark line of pigmentation, the linea nigra, forming along the midline of your abdomen. Your 12-week scan should enable you to hear the baby’s heart beat and be reassured that everything

Your baby has grown to nearly 1.5 centimetres. Over this week your baby’s hands and feet begin to look more human as they lose their webbed like structure. What's more, the hands will be able to bend at the wrist and your baby now has elbows

a period you may be surprised to find out that officially you’re already several weeks pregnant, this is because doctors date a pregnancy from the first day of your last period, rather than from conception, which was probably around two weeks later

you may be surprised to find out that officially you’re already several weeks pregnant, this is because doctors date a pregnancy from the first day of your last period, rather than from conception, which was probably around two weeks later. So what