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First Week of Pregnancy :
During the first week of pregnancy, your breasts increase in size.. It is the only physical change apparent in early pregnancy. The small embryo is 150 thousandths of a mm to 0.1 mm in the uterus.
Second week of Pregnancy :
People around you starts to make you comments. During the second week of your pregnancy, you start to feel a great desire to sleep. But you're not yet sure that you are pregnant. This week, the embryo floats in the uterus, this measure 0.2 mm. The embryo consists of about 150 cells divided into three layers:
• A layer for the respiratory and digestive systems;
• A layer for bones, muscles, genitals;
• A layer for the skin and nerves.
Third week of pregnancy :
The big day has arrived to confirm if you are pregnant or not. Just take a pregnancy test to detect hormone levels ß-hCG level. Sometimes you'll know by morning sickness, a desire to urinate, change your nose, a great desire to eat or rather a lack of appetite and your breasts become heavier.
At this week that little heart of your baby begins to beat but your embryo does not exceed 2 mm. Above all, adopt a balanced diet and healthy, avoid drinking alcohol and stop smoking.
Fourth week of pregnancy :
During the fourth week, your morale is not! You are anxious, depressed and especially amazed by all these changes happen. Your baby is between 4 and 6 mm and weighs less than one gram, the embryo already small buds that will soon be arms and legs.
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