Fever and High Body Temperature Inconclusive For Miscarriage But May Lead To Birth DefectsI've heard so many people say they experienced more colds and general bouts of sickness when they were pregnant - I recall having a number of fairly severe colds which could have been a mild flu.
My site: www.getpregnantover40.com
I've read from numerous sources that your immune system is down a bit while you are pregnant to keep your body from attacking the fetus and pregnancy as a foreign body. With all of this going on, you may wonder if fevers in pregnancy can contribute to miscarriage. This article answers that question:
Can a Fever Cause a Miscarriage?
By Krissi Danielsson, About.com
From the article:
Having a fever during pregnancy, particularly in the first trimester, can cause problems for a developing baby – but researchers do not yet know whether having a fever during early pregnancy may actually cause a miscarriage. It is usually prolonged, high fevers that are thought to cause problems.
Some research does link hyperthermia, or abnormally high body temperature, to risk of neural tube defects and possibly miscarriage. One 2003 study looked at hot tub use and found weak evidence of an association between hot tubs and miscarriages -– and doctors routinely advise pregnant women to avoid soaking in hot baths for extended periods of time to be on the safe side.
Research looking specifically at maternal fevers has found that fevers seem to increase the risk of neural tube defects. (The most severe neural tube defects, such as anencephaly, can be fatal for the baby and thus cause pregnancy loss). Fevers may also increase the risk of other developmental problems, such as heart defects.
The verdicts have been less conclusive as to whether fever causes first-trimester miscarriage; a large 2002 study in "The Lancet" found no evidence of an association, although a 1985 case control study by Johns Hopkins University researchers had hinted at a link between fever and miscarriage.
Because of the possible risk of developmental problems, doctors often advise pregnant women to call when experiencing a fever over 101 degrees Fahrenheit. Remember to call your doctor if you are ever concerned about illness or other symptoms during pregnancy.