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The pregnancy period is broadly divided into three trimesters. The first trimester begins from the first week and continues till the 12th week. The second trimester has its duration from 12 to 24 weeks and the second trimester goes from 24 to 40 weeks. But the development of the baby occurs in every week. However there is a need to look at the period for each respective month. The baby’s growth slows down, he starts to have more control over his movements and his digestive and immune systems and lungs start to mature. In the sixth month the fetus has grown up to 33cm in length. Now the fused eyelids have separated into upper and lower lids helps the baby to open and shut the eyes. The baby’s soft skin is covered by fine hair known as lanugos and a waxy secretion forming a protective layer (vernix). |
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