Results 21 to 30 of about 47,366 (258)

Oocyte Maturation in Assisted Reproductive Techniques

Annals of the New York Academy of Sciences, 2006
Abstract:  Human oocyte maturation is a long process during which nuclear maturation occurs resulting in germinal vesicle breakdown (transition from prophase I to metaphase II) and extrusion of the first polar body. During oocyte maturation, in parallel with nuclear maturation, a number of events take place in the oocyte cytoplasm that assist ...
Loutradis, D., Kiapekou, E., Zapanti, E., Antsaklis, A.   +3 more
openaire   +3 more sources

Frequency of Hearing Defect and Ear Abnormalities in Newborns Conceived by Assisted Reproductive Techniques in Royan Institute [PDF]

International Journal of Fertility and Sterility, 2010
Background Assisted reproductive techniques (ART) are used with increasing frequency worldwide. The present research was conducted to determine the effects of ART on hearing defects and ear abnormalities.
Seyed Ebrahim Ahmadi, Mohammad Reza Nateghi, Hamid Gourabi, Ramin Mozafari Kermani, Farnoush Jarollahi, Sodabeh Afsharpour, Jalil Kouhpayehzadeh, Abolhasan Shahzadeh Fazeli, Mahnaz Ashrafi   +8 more
doaj   +1 more source

Sperm retrieval techniques for assisted reproduction [PDF]

International braz j urol, 2011
Different surgical methods such as PESA, MESA, TESA, TESE and micro-TESE have been developed to retrieve spermatozoa from either the epididymis or the testis according to the type of azoospermia, i.e., obstructive or non-obstructive. Laboratory techniques are used to remove contaminants, cellular debris, and red blood cells following collection of the ...
Esteves, Sandro C., Miyaoka, Ricardo, Agarwal, Ashok   +2 more
openaire   +5 more sources

An Update on Semen Physiology, Technologies, and Selection Techniques for the Advancement of In Vitro Equine Embryo Production: Section II

Animals, 2021
As the use of assisted reproductive technologies (ART) and in vitro embryo production (IVP) expand in the equine industry, it has become necessary to further our understanding of available semen selection techniques.
Morgan F. Orsolini, Stuart A. Meyers, Pouya Dini   +2 more
doaj   +1 more source

An Update on Semen Physiology, Technologies, and Selection Techniques for the Advancement of In Vitro Equine Embryo Production: Section I

Animals, 2021
As the use of assisted reproductive technologies (ART) and in vitro embryo production (IVP) expand in the equine industry, it has become necessary to further our understanding of semen physiology as it applies to overall fertility.
Morgan F. Orsolini, Stuart A. Meyers, Pouya Dini   +2 more
doaj   +1 more source

The Uppsala–Stockholm Assisted Reproductive Techniques (UppStART) study

BMJ Open, 2019
Purpose The Uppsala–Stockholm Assisted Reproductive Techniques (UppStART) study is a prospectively recruited sample of couples undergoing assisted reproduction in Stockholm and Uppsala county in Sweden. The study was initiated to (1) investigate possible
Sven Cnattingius, Anastasia N Iliadou, Anna Sara Öberg, Jessica Pege, Kenny A Rodriguez-Wallberg, Jan I Olofsson, Jan Holte, Håkan Wramsby, Margaretha Wramsby, Carolyn E Cesta   +9 more
doaj   +1 more source

Acceptability of babies conceived through assisted reproductive technology among married women in University of Benin Teaching Hospital, Benin City, Nigeria

CHRISMED Journal of Health and Research, 2020
Context: Infertility is a condition whereby a married woman is unable to get pregnant despite having frequent, unprotected sex for at least a year. This has been an area of medicine in which health care practitioners had limited means to help their ...
Olaolorunpo Olorunfemi, Eunice Amaechi Osian, Florence Onyemaechi Oahimijie, Ngozi Rosemary Osunde, Rachael Olufunmilayo Oduyemi   +4 more
doaj   +1 more source

Chromosomal Abnormalities in Iranian Infertile Males who are Candidates for Assisted Reproductive Techniques [PDF]

International Journal of Fertility and Sterility, 2007
Background: The present study offers our contribution on the topic by a retrospective analysis of the prevalence of chromosomal abnormalities in a population of Iranian infertile men attending assisted reproduction programs.Materials and Methods ...
iman salahshourifar, Mohammad Ali Sadighi Gilani, Najmeh sadat Masoudi, Hamid Gourabi   +3 more
doaj   +1 more source

Myths and Controversies in Assisted Reproductive Techniques: Gynecologist's Perspective

BioMedica, 2020
Background and Objective: Globally infertility affects between 60 million and 168 million all over the world. Regardless of the fact that Pakistan being currently among the most overpopulated nations of the globe and a populace development pace of around
Rabia Nafees, Haroon Latif Khan, Humaira Zareen, Zoofishan Imran, Shazia Jang Sher   +4 more
doaj   +3 more sources

Successful Management of Cervical and Tubal Stump Double Pregnancy after Assisted Reproductive Technologies Using Multiple High Doses of Methotrexate: A Case Report [PDF]

Iranian Journal of Medical Sciences
The incidence of ectopic pregnancy (EP) has increased in recent years, owing to causes such as pelvic inflammatory diseases and assisted reproductive technologies (ART).
Andrey Gaiday, Akylbek Tussupkaliyev, Abay Nurken, Assel Gaiday, Ainur Primbetova, Moldir Dossimbetova, Assemgul Yeszhanova, Bibigul Karimsakova, Nurgul Ablakimova   +8 more
doaj   +1 more source