It is common to notice some changes in the body during pregnancy. From the time of conception till childbirth, the body undergoes a series of hormonal changes, which can be seen physically in terms of increase in bodily weight, changes in the way the body may function, etc. One such change is noticing dark urine during pregnancy. Under normal circumstances, the urine may be white or pale yellow in color. But when a woman is expecting, or during any other illness, the color may change to a darker shade. Some women may also experience the color to be amber or dark yellow. Its bad odor is not uncommon either.