Results 41 to 50 of about 148,052 (210)

Treating Mares with the Long-Acting Kisspeptin Analog C6 Increases Circulating Gonadotropins but Does Not Trigger Ovulation

Agriculture, 2022
The role of the neuropeptide kisspeptin (Kp) in mammalian reproduction is well established. Nevertheless, species-specific differences exist. In the horse, administration of the shortest endogenous Kp isoform, Kp10, is unable to trigger ovulation even ...
Flavie Derouin-Tochon, Didier Lomet, Vincent Robert, Fabrice Reigner, Philippe Barrière, Thierry Blard, Amandine Gesbert, Vishwanatha Thimmalapura Marulappa, Elise Hommet, Caroline Decourt, Vincent Hellier, Vincent Aucagne, Anne Duittoz, Massimiliano Beltramo   +13 more
doaj   +1 more source

Variability in the Hormonally Estimated Fertile Phase of the Menstrual Cycle [PDF]

, 2008
The purpose of this study was to determine the variability in length of the fertile phase of the menstrual cycle with 140 participants who produced 1,060 cycles with an electronic hormonal fertility monitor. The length of the fertile phase, as defined by
Fehring, Richard, Schneider, Mary
core   +1 more source

Ovulation and rate of implantation following unilateral ovariectomy in mice

Journal of Human Reproductive Sciences, 2013
Objectives: Removal of an ovary of any side of the body is called the unilateral ovariectomy (ULO). ULO models are used to analyze the existence of functional and physiological asymmetries between the ovaries, including the ovum implantation.
Koushik Bhattacharya
doaj   +1 more source

Induced Spawning of F1 Wreckfish (Hāpuku) Polyprion oxygeneios Using a Synthetic Agonist of Gonadotropin-Releasing Hormone

Fishes, 2019
Wild-caught hāpuku (Polyprion oxygeneios) spawn readily in captivity, but although first filial (F1) hāpuku complete vitellogenesis, females fail to undergo oocyte maturation and spawn or produce poor quality eggs.
Matthew J. Wylie, Alvin N. Setiawan, Glen W. Irvine, Abigail Elizur, Yonathan Zohar, Jane E. Symonds, P. Mark Lokman   +6 more
doaj   +1 more source

Spontaneous Unruptured Bilateral Tubal Pregnancy: A Case Report

Iranian Journal of Medical Sciences, 2015
Bilateral spontaneous tubal ectopic pregnancy is the rarest form of extra uterine pregnancy. The diagnosis is usually made intraoperatively and levels of serum BHCG and ultrasound has not been useful in the diagnosis of bilateral tubal ectopic pregnancy.
Nayereh Ghomian, Marziyeh Lotfalizadeh
doaj  

Gonadotrofina coriônica eqüina: purificação, caracterização e resposta ovariana em ovinos e suínos Equine chorionic gonadotrophin: purification, characterization and ovarian activity in ewes and gilts

Ciência Rural, 1995
A gonadotrofina coriônica equina (eCG) foi purificada e caracterizada com respeito ao grau de pureza e atividade biológica. A pureza de quatro preparações foi determinada por eletroforese e a atividade biológica pelo incremento do peso ovariano de ratas ...
José Antonio Guimarães Aleixo, João Carlos Deschamps, Vilceu Bordignon, Cláudio Alves Pimentel, José Carlos Ferrugem Moraes   +4 more
doaj   +1 more source

Ovarian growth and ovulation in the mature blue crab, Callinectes sapidus Rathbun [PDF]

, 1942
Introduction. Observations: structure of the ovary during the periods of growth and ovulation in the mature crab (stages 1-5).
Hard, W.L.
core  

Does Metformin combined with Clomiphene Citrate improve fertility related outcomes in Clomiphene resistant women with PCOS : a systematic review [PDF]

, 2014
Peer reviewedPublisher ...
Colleran, Rebecca, Gemmel, Ailsa, Gill, Sabraj, O’Brian, Helen, Poobalan, Amudha, Zanuri, Nurhazwani Bt   +5 more
core   +2 more sources

Role of mTOR Signaling in Female Reproduction

Frontiers in Endocrinology, 2019
Mammalian target of rapamycin (mTOR) is a conserved serine/threonine kinase of the phosphatidylinositol kinase-related kinase family that regulates cell growth, metabolism, and autophagy.
Zaixin Guo, Qi Yu
doaj   +1 more source

Comparative transcriptome analysis reveals involvement of FOXL2 in regulation of ovulation cycle in chicken

Poultry Science
The egg-laying performance is closely related to ovulation of chicken. Ovulation is very complex and highly coordinated physiological process. However, little is known about the ovulation-related synergistic actions of molecules and their signaling. Here,
Xuelian Li, Haobo Zhou, Wei Luo, Xuliang Luo, Xiaxia Zhang, Zi Mei, Yanzhang Gong   +6 more
doaj   +1 more source