Pregnancy + exercise怀孕 + 运动

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ACOG 2020: 无并发症孕期鼓励 150 min/wk 中等强度运动 + 抗阻训练 · 目标是风险分层, 不是静养

ACOG 2020 — from rest to dose

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ACOG 2020 · 从静养到剂量

The core of ACOG 2020 isn't 'you can train however you want during pregnancy' — it's pulling pregnancy exercise back from a fear narrative into a dose narrative: pregnant women without obstetric or medical complications can usually continue or start regular exercise, aiming for at least 150 minutes per week of moderate-intensity aerobic work plus resistance training.

This recommendation overturned two old ideas. First, the 1985 directive 'heart rate must not exceed 140' is no longer a hard rule; more practical is the talk test and perceived exertion. Second, pregnancy isn't only for walking — strength training, swimming, stationary cycling, low-impact aerobics, and appropriate core work can all enter the plan, just with movement selection and positioning adjusted by gestational age.

Wang 2017's randomized trial showed overweight or obese pregnant women doing stationary cycling from gestational week 13 had gestational diabetes incidence drop ~33%. Daley 2015's review also suggests small-to-moderate improvement in antenatal depressive symptoms. The keywords here are 'uncomplicated', 'moderate intensity', 'sustained' — not pushing limits.

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