Why pregnancy changes the caffeine question For a healthy adult, moderate caffeine intake is generally considered safe, and the FDA commonly cites 400 mg per day as the adult upper limit. Pregnancy is different. Caffeine crosses the placenta, the fetus…

What counts as overheating in pregnancy? In pregnancy, overheating is more than simply feeling hot or flushed. Clinically, the issue is hyperthermia, meaning an abnormally elevated body temperature, or a sustained rise in the mother’s core body temperature in pregnancy.…

The main reason to avoid travel: instability, not the calendar In an uncomplicated pregnancy, travel is often possible. But when clinicians recommend avoiding travel, the reason is usually that the pregnancy is no longer low risk, or that a complication…

What “safe” means when you are pregnant When people ask whether right-side sleeping is safe, they are usually asking two different questions: could it harm the baby, and could it make the pregnant person feel worse? Those are related but…

What happens to the baby at cabin altitude? Commercial aircraft cabins are pressurized, but not to sea level. That means the oxygen partial pressure is somewhat lower than on the ground, a state sometimes described as mild hypobaric hypoxia. In…

The short answer: yes, airport security is generally safe For most pregnant travelers, airport security screening is considered safe. The CDC states that older airport security machines, such as magnetometers, are not harmful to the fetus. The Transportation Security Administration…

What the evidence says about sleep position The most useful way to think about sleep position in pregnancy is by timing. A recent review found that before 28 weeks’ gestation, sleeping posture does not appear to affect pregnancy outcomes. That…

The short answer: yes, usually Yes. In early pregnancy, sleeping on your stomach is generally considered fine if it is your preferred position and it still feels comfortable. Stanford Medicine Children's Health explicitly notes that stomach sleeping is acceptable early…

Why fit matters more when you are pregnant Pregnancy changes more than belly size. The center of gravity shifts as the uterus enlarges, ligaments become more lax under hormonal influence, and many people notice edema, especially in the feet and…

What deep squats and deep stretches actually mean in pregnancy A deep squat usually refers to a position where the hips sink below knee level or close to it, placing the ankles, knees, hips, trunk, and pelvis into a large…