Classic pregnancy lasts 9 months.
After all, the process of preparing the body for childbirth and affects the woman's age and its general condition, and even a way of life of the future mother.
To the list of important factors that affect the duration of pregnancy, the researchers carried now thermal effect. They analyzed data for the period from 1969 to 1988 and found that in particularly hot days, the number of women giving birth significantly increased.
By fresh conclusions highest temperature can reduce pregnancy up to 2 weeks.
Why heat triggers preterm labor?
According to Nature.com about 25 000 children born prematurely each year due to exposure to high temperatures on the body mothers.Scientists believe that the sharp temperature changes detrimental effect on the cardiovascular system, causing a breach in its work, and that provokes a premature birth. It is also known that the heat helps to increase the concentration of oxytocin in the body, and it is involved in the processes of both pregnancy and lactation.
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