Published in Frontiers in Veterinary Science
Cownose rays (Rhinoptera bonasus) are schooling rays commonly displayed in large groups in public aquariums. They are long-lived, have an annual reproductive cycle, and readily breed in managed care with most pregnancies culminating with the unaided and successful birth of a single neonate. Occasionally, females are observed to have prolonged pregn...
Published in Physiological reviews
Parturition is a complex physiological process that must occur in a reliable manner and at an appropriate gestation stage to ensure a healthy newborn and mother. To this end, hormones that affect the function of the gravid uterus, especially progesterone (P4), 17β-estradiol (E2), oxytocin (OT), and prostaglandins (PGs), play pivotal roles. P4 via t...
Published in Frontiers in Physiology
Parturition in dogs is subjected to complex hormonal regulation, with the involvement of prostaglandin F2α (PGF2α) still not fully understood. To investigate uterine inertia (UI), the most prevalent maternal reason for dystocia in the bitch, a better understanding of undisturbed uterine, especially myometrial function, is crucial. Our aim was to ga...
Published in Frontiers in Veterinary Science
This clinical study investigates various metabolic and physiological parameters in dairy cows during puerperium. Retained fetal membranes (RFM) is a significant postpartum complication that can affect the overall health, fertility and productivity of dairy cattle. The research focuses on changes in total proteins, albumin, glucose, triglycerides, t...
Published in Frontiers in Immunology
Introduction The end of gestation, ensuing parturition, and the neonatal period represent highly dynamic phases for immunological changes in both mother and offspring. The regulation of innate immune cells at the maternal-fetal interface during late term pregnancy, after birth, and during microbial colonization of the neonatal gut and other mucosal...
Published in Frontiers in Physiology
Although best known for its established role in mediating parturition and lactation, the highly-conserved neuropeptide hormone oxytocin also mediates a range of social and stress-buffering processes across mammalian species. Measurements of peripheral oxytocin in plasma have long been considered the gold standard, but there is increasing interest i...
Published in Mammalia
Placentophagia is a natural behaviour in mammals. Although placentophagia has been reported from 18 species of bats so far, the instance from the wild are infrequent. Rousettus leschenaultii is a widely distributed species across South and Southeast Asia, and is consistently described as a common species throughout its range. However, the ecology o...
Published in medRxiv : the preprint server for health sciences
Changes in body temperature anticipate labor onset in numerous mammals, yet this concept has not been explored in humans. We evaluated patterns in continuous skin temperature data in 91 pregnant women using a wearable smart ring. Additionally, we collected daily steroid hormone samples leading up to labor in a subset of 28 pregnancies and analyzed ...
Published in Frontiers in Psychiatry
Previous scientific evidence has shown a relationship between hormones and the onset and relapse of perinatal psychotic disorders (PPD) in women during pregnancy, childbirth, and the postpartum period. In healthy women the interaction between hormones and cognitive changes has been confirmed mainly in memory, attention, and executive function durin...
Timing mechanisms in biology remain poorly understood. As one prime example, little is known about the mechanisms that specify how long the gestating uterus will remain quiescent before entering labor. Our lack of insight into this fundamental question, which applies to all mammalian species, also limits investigation into potential causes of prete...
