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That is a hard question. There are many discomforts throughout pregnancy. And all these discomforts can happen at different times. The first problem you will have is morning sickness. This usually starts in the last half of the first trimester and can last for many weeks. In the second trimester you have changing body shape to cope with. This often causes aches and pains in places where you have never had aches and pains before. Faintness or dizziness when standing suddenly can also be a problem. Some women have trouble sleeping and can have very vivid dreams. This is caused by reduced blood flow to the brain as your body adjusts to new circulatory patterns. You may also feel a little short of breath. Third trimester has the problems caused by changing body shape plus nausea and vomiting often returns. Braxton Hicks contractions can become quite painful. Diarrhoea can also be a problem for some people. This is also the time that your feet and hands start to swell. Your joints and spine will looser than usual, so you will need to take extra care when moving things around. Get someone to help where possible. Avoid heavy lifting. The ligaments in your pelvic area will be loosening and stretching, to accommodate the baby. This may result in backache and pain in your pelvis especially your pubic bone.
This is only a brief overview of some of the problems that you may encounter throughout your pregnancy. Some women will get all of these and more but other women will only get a few of these problems.