Evidence mapPaperPMID 42375282Full record

ArticleOpen veterinary journal2026

Effect of metformin treatment on ovarian function in hypothyroid rats.

Nabil Abbas Soliman, Amr A Shalaby, Khaled A Abulfadle, Heba Mohammed, Samia Hussien, Mohamed Ahmed Ammar, Aya Sh Metwally, Eman E L Bahaie

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Article in Open veterinary journal, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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1 · What the graph read from it

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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

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4 · The record

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5 · Who and what money

Authors and funding

8 authors.

Nabil Abbas SolimanZoology Department, Faculty of Science, Zagazig University, Sharkya, Egypt.
Amr A ShalabyZoology Department, Faculty of Science, Zagazig University, Sharkya, Egypt.
Khaled A AbulfadlePhysiology Department, Faculty of Medicine, Zagazig University, Sharkya, Egypt.
Heba MohammedHuman Anatomy and Embryology Department, Faculty of Medicine, Zagazig University, Sharkya, Egypt.
Samia HussienZoology Department, Faculty of Science, Zagazig University, Sharkya, Egypt.
Mohamed Ahmed AmmarDoctor of Physiological Zoology, Faculty of Science, Abu Surra University of Medical Sciences, Zawia City, Libya.
Aya Sh MetwallyAssistant Professor of Pharmacology, Faculty of Veterinary Medicine, Aswan University, Egypt.
Eman E L BahaieZoology Department, Faculty of Science, Zagazig University, Sharkya, Egypt.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Background: Among women in their reproductive years, hypothyroidism is a prevalent endocrine condition linked to insulin resistance and abnormalities in ovarian function. Aim: The current study sought to determine how metformin treatment affected thyroid-stimulating hormone (TSH) levels, thyroid morphology in hypothyroidism, and ovarian alterations in polycystic ovary syndrome. It also sought to determine whether metformin was beneficial as an insulin sensitizer. Methods: Four equal groups of forty adult, healthy female albino rats of the local strains weighed an average of 150-170 g apiece. Group III and Group IV received propylthiouracil (Thyrocil 50 mg tablets, Amoun, Egypt) dissolved in distilled water (15 mg/kg body weight) orally for 45 days by dose calculation equation is Dosage each Rats=15 mg × weight of Rat (gm)/1,000 gm, while Group I received distilled water orally for 90 days. Group II received distilled water orally daily for the first 45 days of the study, and then received metformin Hydrochloride (1 g tablets, Chemical Industries Development, Giza) (50 mg/100 g body weight), daily from the 46th day of the study until the end (90th day). Group III received 1 ml of distilled water orally every day from the 46th day of the study until the study's 90th day. Group IV was administered metformin orally at a dose of (50 mg/100 g bwt) every day starting on the 46th day of the research and continuing until the 90th day. Biochemical measurements, thyroid, and ovarian histology were examined. Results: These findings supported the hypothesis that thyroid hypofunction is linked to disrupted metabolic and ovarian function. They also showed that metformin treatment improved thyroid and ovarian changes in a rat model of hypothyroidism. Conclusion: The anti-inflammatory and antioxidant characteristics of metformin were confirmed, as they enhanced ovarian function alterations while having no influence on ovarian modifications in the rat model of hypothyroidism. These results showed that metformin had no effect on ovarian architecture in euthyroid rats.

Indexed as

Hypoglycemic AgentsHypothyroidismMetforminOvaryAnimalsFemalePolycystic Ovary SyndromePropylthiouracilRatsThyroid GlandThyrotropinHypoglycemic AgentsMetforminPropylthiouracilThyrotropinHypothyroidismMetforminOvaryPropylthiouracil

Identifiers

PMID42375282
PMCPMC13314041

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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 Socratic graph.