Evidence map›Paper›PMID 33134799›Full record

ArticleInternational journal of reproductive biomedicine2020

Protective effects of licorice extract on ovarian morphology, oocyte maturation, and embryo development in PCOS-induced mice: An experimental study.

Maryam Shamsi, Vahid Nejati, Gholamreza Najafi, Sana Khajeh Pour

Registry-linked trialOpen access · goldAbstract read
In one paragraph

Article in International journal of reproductive biomedicine, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT06043375 (Effect of Licorice Root Powder on Parameters of Metabolic Syndrome Related to Polycystic Ovary Syndrome), which is not on this map. Cited by 16 papers.

0numbers the graph read from it
0cells of the map it votes in
16citing papers in PubMed
3.6field-weighted citation impact, top 7% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

NCT06043375 nacompletednot on this mapstarted 2024, after this paper: background citation

Effect of Licorice Root Powder on Parameters of Metabolic Syndrome Related to Polycystic Ovary Syndrome

TypeinterventionalSponsorUniversity of Veterinary and Animal Sciences, Lahore - PakistanRan2024 to 2024Enrolled55ConditionsMetabolic Syndrome, Polycystic Ovary SyndromeArmsLicorice Root Powder Capsule
3 · Its place in the literature

Who cites it

16 citing papers in PubMed, 29 citations in OpenAlex.

  1. Review
  2. Article
  3. Effect of glabridin on sperm traits, testicular oxidative status, andVeterinary research forum : an international quarterly journal · 2026
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  6. Review
  7. Effects of a traditionally preparedFrontiers in nutrition · 2025
    Article
  8. Effect of Gentianella acuta (Michx.) Hulten against the arsenic-induced development hindrance of mouse oocytes.Biometals : an international journal on the role of metal ions in biology, biochemistry, and medicine · 2024
    Article
  9. Article
  10. Article
  11. Article
  12. Review
  13. Article
  14. Article
  15. Article
  16. Review
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

4 authors at 1 institution in 1 country.

Maryam ShamsiDepartment of Histology and Embryology, Faculty of Science, Urmia University, Urmia, Iran.
Vahid NejatiDepartment of Histology and Embryology, Faculty of Science, Urmia University, Urmia, Iran.
Gholamreza NajafiDepartment of Anatomy, Faculty of Veterinary Medicine, Urmia University, Urmia, Iran.
Sana Khajeh PourDepartment of Biomedical and Pharmaceutical Sciences, Faculty of Pharmacy, Idaho State University, Pocatello, Idaho, USA.
Urmia University · IR

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundPolycystic ovary syndrome (PCOS) is an oxidative state resulting in ovarian dysfunction. Licorice is one of the natural antioxidants used for the treatment of infertility.

objectiveTo evaluate the effect of licorice extract on ovarian morphology, oocyte maturation, and embryo development in PCOS-induced mice. MATERIALS AND

methodsthirty-two female NMIR mice were divided into four groups (n = 8/each): control group receiving no treatment (group I); PCOS group injected with estradiol valerate once daily for 21 days (group II); and experimental groups receiving either 100 mg/kg (group III) or 150 mg/kg (group IV) licorice by gavage along with estradiol valerate once daily for 3 wk. Serum levels of the testosterone and estrogen were measured using ELISA kit. Histological study of ovaries was evaluated, and oocyte maturation, fertilization rate, and embryo development were determined after in vitro maturation.

resultsExperimental groups (III, IV) had significantly higher testosterone and estradiol levels compared to the PCOS group (p

conclusionIt appears that the two doses (100 mg and 150 mg) of licorice could decrease ovarian cyst and improve the fertilization rate of oocyte and embryo development in PCOS mice. However, there was no statistically significant difference between the two experimental groups.

Indexed as

HistologyIn vitro fertilization.In vitro maturationLicoriceMicePolycystic ovary syndrome

Identifiers

PMID33134799
PMCPMC7569710
OpenAlexW3093606051

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Registered trials

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.