Week 11 is almost the end of the first trimester. The stomach began to slowly grow in size by this time, and some women may have gained weight. However, women with morning sickness may not have put on weight. This should not be a cause of worry, as most women start putting on weight from week 11 onwards.
The baby is also developing at a very fast rate. Its bones become hard, and almost all major body parts develop by this time. But, all these organs are developing still. The baby is now able to swallow. Its abdomen starts to develop intestines. Tooth buds also appear on the gums. The baby also starts to kick around at this stage. The placenta, meanwhile, keeps up the supply of blood and nutrients to the baby. Its skin is thin and transparent at this stage.
Some women may seem to have developed a paunch by their 11th week. Women generally experience a rapid rate of growth in their finger and toe nails. This is mainly because of the hormonal changes taking place in the body. The heart pumps more blood at this time, and therefore, some women may feel warmer than before.