Guide | Staying Safe in Summer During Pregnancy: Experts Warn Heat May Threaten Maternal and Fetal Health
As summer temperatures rise, many expectant mothers struggle with the discomfort of sweating through pregnancy. Medical experts warn that high heat can cause more than discomfort and may pose risks to the fetus.
Washington-area doula Rachel Silber recalled her own summer pregnancy: “It wasn’t a pregnancy glow at all. It was sweat.” Her son was born during the humid heat of late June. “The worst part was being drenched in sweat. My clothes were soaked by the time I got home.”
Beyond discomfort, overheating and dehydration can cause serious health risks. Northern Virginia obstetrician Samantha Buery-Joyner, MD, says pregnant women in hot weather are prone to:
Heat syncope: fainting caused by a drop in blood pressure;
Heat cramps: commonly affecting the leg muscles;
Heat exhaustion: thirst, weakness, blurred vision, irritability, and confusion;
Heatstroke: a life-threatening emergency in which the body cannot cool itself effectively.
She stressed: “The fetus is very sensitive to changes in maternal blood pressure. If the mother’s blood pressure falls, blood flow to the uterus and placenta also decreases, putting the baby at risk.” Studies have also linked sauna or hot-tub use during pregnancy to a higher risk of neural tube defects, suggesting that overheating itself may pose a similar concern.
Practical Ways to Stay Cool During Pregnancy
Experts recommend several strategies:
Choose suitable clothing: Avoid dark maternity clothes or garments high in spandex or nylon, as these fabrics trap heat and do not breathe well. Choose light-colored cotton or other breathable fibers. Some athletic brands offer good moisture-wicking fabrics, although maternity options may be limited.
Skip pantyhose: Buery-Joyner advises pregnant women to keep their feet cool in summer: “Get a pedicure and wear sandals.”
Carry a water bottle: Freeze it in advance and take it out before leaving home so the ice melts gradually throughout the day.
Avoid midday heat: Schedule outdoor activities for early morning or evening, avoiding strong sun from 10 a.m. to 3 p.m. Exercise indoors when possible, such as mall walking or swimming.
Use cooling aids: Portable fans, mineral-water sprays, and cooling neck wraps can help. Houston midwife Mavis Schorn, RN, CNM, recommends athletic cooling wraps: “One pregnant physician even wore one around her neck in the operating room, and it worked very well.”
Cool down at night: Heat often disrupts sleep during pregnancy. Air conditioning, ice water by the bed, and minimal clothing are key. Some women may even need to sleep separately from their partner to avoid extra body heat.
Take a cool bath: Treat the bathtub as a private pool and soak whenever needed, even in the middle of the night.
Sweating May Continue After Delivery
Experts note that sweating does not stop immediately after birth. Silber said: “I was still sweating frequently six weeks after my baby was born because hormone levels, blood volume, and additional fat stores were still elevated.” This is a normal postpartum response.
Summer heat during pregnancy is a genuine concern. Adjusting daily routines and the surrounding environment can ease discomfort and help protect the fetus.
Guide | Staying Safe in Summer During Pregnancy: Experts Warn Heat May Threaten Maternal and Fetal Health
Guide | Staying Safe in Summer During Pregnancy: Experts Warn Heat May Threaten Maternal and Fetal Health
As summer temperatures rise, many expectant mothers struggle with the discomfort of sweating through pregnancy. Medical experts warn that high heat can cause more than discomfort and may pose risks to the fetus.
Washington-area doula Rachel Silber recalled her own summer pregnancy: “It wasn’t a pregnancy glow at all. It was sweat.” Her son was born during the humid heat of late June. “The worst part was being drenched in sweat. My clothes were soaked by the time I got home.”
Beyond discomfort, overheating and dehydration can cause serious health risks. Northern Virginia obstetrician Samantha Buery-Joyner, MD, says pregnant women in hot weather are prone to:
Heat syncope: fainting caused by a drop in blood pressure;
Heat cramps: commonly affecting the leg muscles;
Heat exhaustion: thirst, weakness, blurred vision, irritability, and confusion;
Heatstroke: a life-threatening emergency in which the body cannot cool itself effectively.
She stressed: “The fetus is very sensitive to changes in maternal blood pressure. If the mother’s blood pressure falls, blood flow to the uterus and placenta also decreases, putting the baby at risk.” Studies have also linked sauna or hot-tub use during pregnancy to a higher risk of neural tube defects, suggesting that overheating itself may pose a similar concern.
Practical Ways to Stay Cool During Pregnancy
Experts recommend several strategies:
Choose suitable clothing: Avoid dark maternity clothes or garments high in spandex or nylon, as these fabrics trap heat and do not breathe well. Choose light-colored cotton or other breathable fibers. Some athletic brands offer good moisture-wicking fabrics, although maternity options may be limited.
Skip pantyhose: Buery-Joyner advises pregnant women to keep their feet cool in summer: “Get a pedicure and wear sandals.”
Carry a water bottle: Freeze it in advance and take it out before leaving home so the ice melts gradually throughout the day.
Avoid midday heat: Schedule outdoor activities for early morning or evening, avoiding strong sun from 10 a.m. to 3 p.m. Exercise indoors when possible, such as mall walking or swimming.
Use cooling aids: Portable fans, mineral-water sprays, and cooling neck wraps can help. Houston midwife Mavis Schorn, RN, CNM, recommends athletic cooling wraps: “One pregnant physician even wore one around her neck in the operating room, and it worked very well.”
Cool down at night: Heat often disrupts sleep during pregnancy. Air conditioning, ice water by the bed, and minimal clothing are key. Some women may even need to sleep separately from their partner to avoid extra body heat.
Take a cool bath: Treat the bathtub as a private pool and soak whenever needed, even in the middle of the night.
Sweating May Continue After Delivery
Experts note that sweating does not stop immediately after birth. Silber said: “I was still sweating frequently six weeks after my baby was born because hormone levels, blood volume, and additional fat stores were still elevated.” This is a normal postpartum response.
Summer heat during pregnancy is a genuine concern. Adjusting daily routines and the surrounding environment can ease discomfort and help protect the fetus.
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