Results 21 to 30 of about 50,091 (300)

Effects of seasonal variations and meteorological factors on IVF pregnancy outcomes: a cohort study from Henan Province, China

Reproductive Biology and Endocrinology, 2022
Objective To investigate whether seasonal variations and meteorological factors influence pregnancy outcomes in women undergoing in vitro fertilization-embryo transfer (IVF-ET) treatment. Design Retrospective cohort study.
Ting Chu, Di Wang, Ting Yu, Jun Zhai
doaj   +1 more source

Optimising Ovulation Induction in PCOS

Fertility & Reproduction, 2023
Biochemical, Metabolic and Endocrine changes in PCOS result in reproductive impairment in women with PCOS. Controlled ovarian stimulation (COS) may be associated with • Unpredictable response • Response may be slow • Hyper-response - OHSS • Risk of Cyst ...
Madhuri Patil
doaj   +1 more source

Hormonal Management for the Induction of Luteolysis and Ovulation in Andalusian Jennies: Effect on Reproductive Performance, Embryo Quality and Recovery Rate

Animals, 2022
Two prostanglandins (luprostiol, LUP, and dinoprost, DIN) and two ovulation-inducing agents (human Chorionic Gonadotropin, hCG, and deslorelin, DES) were evaluated for luteolysis and estrus induction, and for ovulation induction, respectively, in embryo ...
Marina Bottrel, Isabel Ortiz, Manuel Hidalgo, María Díaz-Jiménez, Blasa Pereira, César Consuegra, Mohamed Samy Yousef, Jesús Dorado   +7 more
doaj   +1 more source

Risk of cancer after assisted reproduction: a review of the available evidences and guidance to fertility counselors [PDF]

, 2018
Infertile women requiring ovarian stimulation and assisted reproduction techniques (ART) are faced with difficult issues. The fear that using hormones could increase their risk of cancer is the most significant.
Codacci-Pisanelli, G, Del Pup, L, Levi-Setti, P E, Patrizio, P, Peccatori, F A   +4 more
core   +1 more source

Impact of prolonged one or more natural menstrual cycles on the outcomes of ovulation induction intrauterine artificial insemination pregnancy: a single-centre, retrospective study in China

BMJ Open, 2022
Objectives We determined if the time interval between two ovulation induction intrauterine artificial insemination (IUI) treatment cycles should be extended by one or more natural menstrual cycles in patients undergoing successive cycles of ovulation ...
Shuai Zhang, Han-Han Tang, Ming-Lian Zhou   +2 more
doaj   +1 more source

Estrous behavior in dairy cows: identification of underlying mechanisms and gene functions [PDF]

, 2010
Selection in dairy cattle for a higher milk yield has coincided with declined fertility. One of the factors is reduced expression of estrous behavior. Changes in systems that regulate the estrous behavior could be manifested by altered gene expression ...
Beerda, B., Boer, H.M.T., Veerkamp, R.F., Woelders, H.   +3 more
core   +2 more sources

The "Ram Effect": A "Non-Classical" Mechanism for Inducing LH Surges in Sheep [PDF]

, 2016
During spring sheep do not normally ovulate but exposure to a ram can induce ovulation. In some ewes an LH surge is induced immediately after exposure to a ram thus raising questions about the control of this precocious LH surge.
A Caraty, A Caraty, A Chanvallon, A Chanvallon, AC Gore, AE Herbison, AL Goodman, AM Etgen, Audrey Chanvallon, C Fabre-Nys, C Fabre-Nys, C Fabre-Nys, C Fabre-Nys, CA Barraclough, CE Adams, CE Adams, CH Conaway, CH Wu, CJ Scott, Claude Fabre-Nys, CM Oldham, CS Corker, DE Wildt, DE Wright, DF Hardy, Didier Lomet, DR Lindsay, DT Baird, DT Pearce, E Elias, FJ Karsch, FJ Karsch, GB Martin, GW Montgomery, H Gelez, HG Spies, IJ Clarke, J Bakker, JA Banks, JA Rawson, Joëlle Dupont, JP Signoret, JP Signoret, JP Signoret, JR Day, K Brown-Grant, K Maeda, L Dufy-Barbe, L Xia, Lionel Lardic, M Acosta-Martinez, MJ Baum, MJ Gibson, MS Smith, MX Zarrow, NP Evans, OR Dyrmundsson, P Mauleon, P Richard, Peter J. Hansen, Q Li, R Papay, R Ungerfeld, RD Randel, RE Szawka, Rex J. Scaramuzzi, RJ Scaramuzzi, RL Goodman, RL Goodman, RL Goodman, RL Goodman, RL Hauger, S Ben Saïd, S Yamada, SM Moenter, SP Yang, SP Yang, SP Yang, SR Milligan, SR Milligan, SR Wersinger, Stéphanie Martinet, VD Ramirez, W Jöchle, Y Tillet, Y Tillet   +85 more
core   +9 more sources

Is there a future for ovulation induction in the current era of assisted reproduction? [PDF]

, 2003
The clinical use of medical induction of ovulation in normogonadotrophic anovulatory women (WHO II), including polycystic ovary syndrome, is increasingly questioned.
Fauser, B.C.J.M. (Bart), Santbrink, E.J. (Evert) van   +1 more
core   +2 more sources

Monitoring of stimulated cycles in assisted reproduction (IVF and ICSI) [PDF]

, 2014
Acknowledgements: We are grateful to Marian Showell for her help in updating the search strategy and carrying out the literature search; to Anne Lethaby for translating the Spanish paper and extracting data; and in particular to Helen Nagels and Jane ...
Bhattacharya, Siladitya, Kang, Angela, Kwan, Irene, Woolner, Andrea   +3 more
core   +3 more sources

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