On the whole bag, the embryo and its surrounding membrane and the fluid have a size of 1, see your child there is 1,5 mm – as a lowercase 'o' in print book text. 6-Week. Many women this week for the first time you went to the doctor. On the second week begins Organogenesis – a period when forming the main internal and external structures, this period lasts until the 10th week, although their development will continue even after birth. Your child takes the C-shaped. A large protrusion on the inside ('front') of 'C' shows what is now the heart. This week there are tiny offshoots – arms and legs – as well as embryo head with an already noticeable holes and bulges out of which later will develop eyes, ears and nose. By the end of the week closes the head end of the neural tube.
Your child has a length of 4 mm – a grain of rice. But his heart beats, and it can be seen on ultrasound. 7-Week. If you belong to the majority, then this week, nausea, you will be strong. If you're among the lucky few who are not sick in the morning, better keep yer mouth shut about it in the presence of other women in the waiting room at the doctor.
All the authorities have started to develop last week, grow and change. Most rapidly growing head – because of the rapid development of the brain. The head is rounded, it can already be seen on orbit.