ALwan Ali Fadil
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Fetal and Maternal Plasma Thyroid Hormone’s Levelsin the Guinea Pigs ALwan Ali Fadil; AL-Souz Mohammed Abdul Hadi Khalil; TareqHafdhiAbdtawfeeq Al-Khayat
Indian Journal of Forensic Medicine & Toxicology Vol. 15 No. 4 (2021): Indian Journal of Forensic Medicine & Toxicology
Publisher : Institute of Medico-legal Publications Pvt Ltd

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37506/ijfmt.v15i4.16780

Abstract

Background: All available data indicate that the thyroid of the guinea pig fetus is capable of functioningindependently of that of the mother . Therefor fetal thyroid function is necessary for normal growth in utero.Intrauterine adaptation to the outside environment is important mechanism via which fetus increases thechance to thrive after birth. Aim and Objective of this work to assess the plasma level of thyroxin (T4) andTriiodothyronine (T3) through most period of pregnancy in fetal and maternal guinea pigs. Materials andMethods: Blood samples collected from 51pregnant guinea pigsand their fetuses(93), by the Cobase 411device produced by, Roche com. and it works with technology Electro, Plasma T4 and T3 were measured byChemiLuminescence immune-assay. Results: Fetal plasma Thyroxin (T4) concentration was greater thanthat of the mother between Results 50 and 62 days of gestation while fetal plasma T3 concentration was lessthan that of the mother throughout gestation. In fetalguinea pig the reciprocal relationship between pituitaryand thyroid is established at approximately day 34-35 of gestation. Conclusion: Theresults indicated thatthe fetal pituitary–thyroid system (PTS) is functioning at a relatively high level than that of the maternal,starting few days beforethe second half of pregnancy .Thyroid hormones are important for fetal growth andmaturation event.