Mother, Baby, Universe

Food, Sleep and Movement

Activity limits and safe progression by trimester

Activity limits and safe progression by trimester

Why trimester-by-trimester limits matter There is no universal activity prescription that fits every pregnancy. The same session can feel effortless in one trimester and excessive in another because pregnancy alters blood volume, ventilation, ligamentous laxity, posture, and energy availability. Those changes are normal, but they mean that exercise in pregnancy should be assessed against current […]

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Cravings by trimester

Cravings by trimester

How craving patterns usually change across pregnancy Cravings are not random in the sense that they occur in a predictable broad arc for many pregnant people. Research suggests they often emerge by the end of the first trimester, reach their highest frequency in the second trimester, and then begin to taper in the third trimester. […]

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Appetite changes and food aversions first trimester

Appetite changes and food aversions first trimester

Why appetite can shift so early The first trimester is a period of rapid endocrine and physiologic change. Rising levels of human chorionic gonadotropin, estrogen, and progesterone are thought to contribute to nausea, altered gastric motility, and changes in smell perception. For many people, these shifts show up first as early pregnancy appetite changes rather […]

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Exercise in first second and third trimester

Exercise in first second and third trimester

Core principles for exercising safely in pregnancy Professional guidance from obstetric organizations generally supports physical activity during pregnancy for people without contraindications. A common target is 150 minutes per week of moderate-intensity aerobic activity. “Moderate intensity” means breathing and heart rate increase, but conversation remains possible. Many people use the talk test rather than a […]

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Nutrition needs by trimester

Nutrition needs by trimester

Why nutrition needs change across pregnancy Pregnancy is not simply a state of needing “more food.” It is a carefully sequenced physiologic adaptation. In early pregnancy, implantation, placentation, and organogenesis are central. Later, fetal weight gain, maternal plasma volume expansion, breast tissue growth, and nutrient transfer increase substantially. The result is a trimester-dependent pattern: micronutrient […]

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