This study evaluates the usefulness of maternal serum concentrations of human placental lactogen in the management of high-risk pregnancies. The study was performed in a community hospital over a year's time and involved 250 gestations. The test detected only 11.4% of the pregnancies defined as high-risk by clinical criteria and none of the pregnancies in which the newborn was compromised. Serum human placental lactogen is an insensitive test in predicting the outcome of pregnancies in an obstetric population unless historical information regarding maternal disease is unavailable.
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http://dx.doi.org/10.1093/ajcp/71.1.72 | DOI Listing |
Placenta
January 2025
Department of Medical Biochemistry, Bozyaka Research and Training Hospital, Izmir, Turkey. Electronic address:
Introduction: Gestational diabetes mellitus (GDM) is defined as glucose intolerance during pregnancy. We aimed to investigate the potential effects of betatrophin and ApoC2 in GDM, focusing on their roles in LPL (lipoprotein lipase) regulation and their relationship with hPL to elucidate the possible impact of hPL on lipid metabolism and its potential contribution to the development of GDM.
Methods: Thirty pregnant women with normal glucose tolerance and 29 with gestational diabetes mellitus (diagnosed by 75g OGTT between 24 and 28 weeks) were included in the study.
Reproduction
November 2024
Department of Veterinary Sciences, University of Turin, Grugliasco, Torino, Italy.
In Brief: Melatonin plays a crucial role in enhancing reproductive performance in small ruminants. This paper reveals the effects of exogenous melatonin on the placental and endometrial rearrangement in early pregnancy in sheep.
Abstract: Early pregnancy losses cause 25% of pregnancy failures in small ruminants because of asynchrony between conceptus and uterine signals.
Diabetes Metab Syndr
July 2024
Department of Obstetrics and Gynecology, Lillebaelt University Hospital, Kolding, Denmark.
Background: Gestational diabetes mellitus (GDM) is glucose intolerance first detected during pregnancy. Twin pregnancies have a higher risk of GDM, likely due to increased placental mass and elevated placental lactogen levels.
Objective: The aims of this study were 1) to assess the impact of chorionicity on the development of GDM in twin pregnancies and 2) to assess a possible association between placenta weight and the development of GDM.
Biofactors
December 2024
Department of Internal Medicine, National Taiwan University Hospital, Taipei, Taiwan.
Angiopoietin-like protein 4 (ANGPTL4) is a secretory glycoprotein involved in regulating glucose homeostasis in non-pregnant subjects. However, its role in glucose metabolism during pregnancy and the pathophysiology of gestational diabetes mellitus (GDM) remains elusive. Thus, this study aimed to clarify the relationship between ANGPTL4 and GDM and investigate the pathophysiology of placental ANGPTL4 in glucose metabolism.
View Article and Find Full Text PDFEndocr J
July 2024
Department of Integrative Physiology, Gunma University Graduate School of Medicine, Gunma 371-8511, Japan.
The placenta secretes a prolactin (PRL)-like hormone PRL3B1 (placental lactogen II), a luteotropic hormone essential for maintaining pregnancy until labor in mice. A report from 1984 examined the secretion pattern of PRL3B1 in prepartum mice. In the current study, we found contradictory findings in the secretion pattern that invalidate the previous report.
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