We usually think of air pollution as being outdoors, but the air in your house or office could also be polluted. Sometimes a group of people have symptoms that seem to be linked to time spent in a certain building. There may be a specific cause, such as Legionnaire's disease.
Symptoms of early pregnancy can also be similar to symptoms experienced prior to the menstrual period, so a woman may not recognize the symptoms as related to pregnancy. This article describes the most common symptoms of pregnancy in its early and later stages. Medically Reviewed by a Doctor on 12/4/2014.
Common symptoms and discomforts of pregnancy include: 1  Tiredness. 2  Constipation. 3  Pelvic girdle pain. 4  Back pain. 5  Braxton Hicks contractions. Occasional, irregular, and often painless contractions that occur several times per day. 6  Edema (swelling). Common complaint in advancing pregnancy. 7  Increased urinary frequency.