The Study
Caloric restriction in female reproduction: is it beneficial or detrimental?
This is like a book report about what other scientists have found. It tells us what different studies have said about dieting and women's bodies, but it doesn't do any new experiments itself. We can learn about ideas scientists are testing, but we can't be sure which ideas are definitely true.
Analysis score
Maximum 5 for a narrative review.
Where the score came from
Eating less food can make it harder for females to have babies but might help keep their baby-making parts healthy for longer.
Where does this study sit?
Reviews of RCTs (Meta-analyses)
Max 100Randomized Trials
Max 90Reviews of Cohort Studies
Max 85Cohort Studies
Max 72Reviews of Case-Control Studies
Max 63Case-Control Studies
Max 58Cross-Sectional & Case Series
Max 50Expert Opinion
Max 51 / 100
Quality score
Based on clinical experience or non-systematic literature reviews. The lowest level of evidence as they are most susceptible to bias and personal perspective.
Key takeaways
Summary
Based on the study abstract and findings.
- 1Not specified
- 2Not specified
Score breakdown, methodology, conflicts of interest, evidence analysis & raw study data
Publication
Journal
Reproductive Biology and Endocrinology : RB&E
Year
2021
Authors
Jiayi Sun, Xin Shen, Hui Liu, Siying Lu, Jing Peng, Haibin Kuang
Related Content
Claims (7)
When female animals eat less food, it makes it harder for them to have babies because their bodies stop sending the right signals for egg release.
When pregnant mammals don't get enough food, their babies grow slower inside the womb because they don't get enough nutrients and the placenta doesn't work right. This can lead to health problems for the babies later in life.
Eating less food might help female mice keep more of their egg cells for longer by slowing down certain processes in their bodies, which could let them have babies later in life.
Eating fewer calories helps older female mice have healthier eggs by boosting a protein called SIRT3, reducing cell damage, and preventing egg division problems, which makes babies more likely to survive.
Eating fewer calories might help women with a health condition called PCOS by lowering certain hormone levels, making their bodies respond better to sugar, and helping them have regular periods.
Eating fewer calories might help lower the chance of breast cancer in women by changing how hormones and body processes work, and doing this along with exercise could be a good way to prevent it.
Not medical advice. For informational purposes only. Always consult a qualified healthcare professional before making health decisions.