Pregnant woman in the beach, prevention during summer.

Pregnancy in summer: tips for the last trimester

In order to survive the heat during pregnancy, particularly in the third trimester, it is essential to give priority to hydration and carry out gentle activities in cool environments.

BY Gal·la Torres | 03 July 2025

High temperatures and excessive heat can mean a challenge for pregnant women. “During pregnancy there is a natural tendency towards vasodilatation, which promotes a feeling of dizziness, fatigue and low blood pressure,” Javier Sánchez, gynaecologist and obstetrician at the hospital HLA La Vega in Murcia explains. “The risk of dehydration and oedemas also increases, particularly in the legs and ankles.” 

The consequences affecting the physical and emotional condition of pregnant women, particularly in the last trimester of pregnancy become accentuated due to the fact that their bodies increase in weight and they retain more liquids. “In the third trimester, the woman’s body experiences a greater circulatory and metabolic overload. The uterus, by this time already very large, can compress abdominal vessels and make the venous return more difficult, encouraging oedemas or a feeling of heaviness. Additionally, the risk of a premature delivery is more present, meaning that it is crucial to avoid any situations of thermal stress or dehydration that could trigger it,” the gynaecologist warns. 

In general terms, pregnant women are recommended to avoid prolonged exposure to the sun, to keep themselves hydrated and to rest frequently in cool places during the summer months. It is also advisable to take note of the blood pressure and the warning symptoms, such as persistent headaches, blurred vision or premature contractions. 

Although it is common for the heat to cause a feeling of sickness or discomfort for pregnant women, it is possible to guarantee a healthy pregnancy and, at the same time, enjoy the summer. There are ways of avoiding, to a large extent, the negative part of the hottest months of the year. 

The specialist in gynaecology, Javier Sánchez underscores the main indications to ensure greater wellbeing during the pregnancy: 

10 tips for a healthy pregnancy during the hot weather

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