The Royal College of Obstetricians and Gynaecologists has warned that heat exposure from the sun during the first three months of pregnancy may put a fetus at risk of having a low birth weight. In addition, sensitivity to high temperatures can make an expectant mother feel particularly unwell. Similarly, exposure to low temperatures during the last three months of pregnancy may have the same effects. The warning was issued in anticipation of a summer heat wave in Britain. Experts referred to previous studies, with particular focus on research conducted by Bristol University, published in the British Journal of Gynaecology in 2005. The RCOG advised that pregnant women take certain precautions – such as drinking plenty of fluids and wearing appropriate clothing such as hats – in order to avoid heat exhaustion. The symptoms of heat exhaustion include increased body temperature, tiredness, light-headedness and a dry mouth.
Source: Metro.co.uk