Sleeping too much is also harmful, say experts at the University of Pittsburgh. Proper sleep is essential for maintaining good health, and doubly necessary during pregnancy, says NDTV, referring to the results of the study.
Scientists using actigraph (device to monitor human activity) measured sleep duration 751 pregnant women. Average sleep duration ranged between 7 and 9 am. Women who paid to sleep more than 9 hours, gained excess weight more often those who tried to stick to the regime.
In another study, researchers found that maternal obesity increases the risk of child's autism. This required to analyze the health of 200,000 people. The results speak for themselves: the presence of obesity increases the risk of having a child with disabilities is 47%.