There are more symptoms of 5 weeks of pregnancy, there are the following: first, you may feel that your breasts are significantly larger, more sensitive to external touch, and your nipples will also become larger and the color of the areola deepen. Some pregnant women may also feel hard lumps inside their breasts during the 5th week of pregnancy, which can be relieved by massaging with the correct techniques or using hot compresses. Secondly, nausea and acid reflux may occur. When you wake up in the morning, you will always feel acidity and bitterness in your mouth, you can use salt water to rinse your mouth, and you will be more sensitive to smell. Third, the metabolism is accelerated, always feel hungry faster, because at this time the fetus is developing rapidly, need to consume a lot of energy and nutrition, and will be easier to feel tired, need regular rest not to be tired.