The Claim

Resistance training during pregnancy has no causal effect on adverse maternal or fetal health outcomes.

Source: Lifting Weights While Pregnant: What the Science Actually Says

What the research says

Supports is higher

Support is ahead, but a single strong opposing study can change this.

Supports

46score

Challenges

0score

These are independent scores, not a percentage. Higher-grade studies count more, so a single strong opposing study can outweigh several weaker ones.

Cause and effect

2 studies reviewed

In plain English

Working out with weights while pregnant doesn't harm the mom or the baby — it's safe.

See the scientific wording

Resistance training during pregnancy does not cause adverse effects on maternal or fetal health outcomes.

2 studies

Study: Resistance training in pregnancy: systematic review and meta-analysis of pregnancy, delivery, fetal and pelvic floor outcomes and call to action
This big study looked at many pregnant women who did strength training and found no harmful effects—instead, it helped lower risks of problems like high blood pressure and big babies. So, lifting weights safely during pregnancy is not dangerous and might even be helpful.
Study: 2019 Canadian guideline for physical activity throughout pregnancy
This study found that exercising while pregnant, including lifting weights, is safe and doesn't harm mom or baby. So yes, resistance training during pregnancy is okay.

Score breakdown, mechanism chain, raw evidence, ideal studies needed & 2 supporting studies

Fit Body Science verdict — we translate health claims into clear verdicts backed by peer-reviewed research.

Not medical advice. For informational purposes only. Always consult a qualified healthcare professional before making health decisions.