By the end of pregnancy, most women are spending long periods sitting down, but a new Australian study may just be enough to motivate more mums-to-be to move.
The Mater Research study has found that sitting for more than eight hours a day during pregnancy is potentially impacting the health of placentas and babies.
The study, which included 200 women who gave birth at Brisbane’s Mater’s Mothers’ Hospital, found that excessive periods of sitting were associated with smaller and stiffer placentas, with a potentially compensatory decrease in blood flow resistance in the umbilical cord.
“These findings highlight the importance of limiting sedentary behaviour during pregnancy for placental health, because a well-functioning placenta plays a critical role in supporting the growing fetus,” said physiology researcher Jade Kubler, who led the study.
“We know mothers can get uncomfortable and tired towards the end of their pregnancy, or choose to work later in their pregnancy.
“When this is the case, these findings show that taking regular breaks to get up and move around the office or home are necessary to ensure a well-functioning placenta.”
She said low-functioning and underdeveloped placentas can affect the growth and wellbeing of babies, and could lead to possible pregnancy or birth complications. And it didn’t matter how much physical activity each mum was participating in.
“Even if a pregnant woman is physically active, she could still find herself sitting for an excessive amount of time each day, whether that be at work or at home,” Ms Kubler said.
“Reducing the amount of time pregnant mothers sit is what appears to benefit the placenta in many ways.”
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