If you have been noticing the baby's development closely over the last few weeks, this week 21st week of the pregnancy calendar if compared with the earlier weeks, would certainly help notice the changes the child undergone over time. The baby in second trimester pregnancy presents high paced changes. The child is about one pound in weight and 11 inches long. The baby's eyelids and eyebrows are now fully formed. The lanugo mask that has been covering baby is now visible in the picture of stage of pregnancy.
Pregnancy moves another stage forward with your weight steadily increasing overtime. By now the heeled shoes are a strictly no for all you expecting mothers. Regarding the physical changes expected, the uterus would be about an inch above your navel. For mothers expecting multiple babies, leg cramps, owing to shortage of calcium, would be a regular phenomenon by now. Skin changes are also quite normal during this phase of pregnancy. Many also face a peculiar situation known as vascular spiders, which entails appearance of reddish areas over the body due to increased estrogen levels. This issue along with other pregnancy appearance related problems like thicker, lustrous hair, faster growing fingernails, skin discolorations, pigmented circles around nipples, swelling, etc. are all temporary and would fade away within a few weeks post the week by week of pregnancy.