Results 31 to 40 of about 90,919 (311)

Effects of vaginal vs oral progesterone supplementation before embryo transfer on live birth rates and levels: a randomized trial

Reproduction and Fertility
The increase in frozen embryo transfers (FETs) is a consequence of advances in embryo vitrification and the implementation of genetic screening of embryos.
Gorka Barrenetxea, Olaia Prego, Ricardo Celis, Edurne Martínez, María De Las Heras, Oihane Gómez, Olaia Aguirre, Sheila Samojluk, Julen Barrenetxea   +8 more
doaj   +1 more source

Decrease in preovulatory serum estradiol is a valuable marker for predicting premature ovulation in natural/unstimulated in vitro fertilization cycle

Journal of Ovarian Research, 2018
Background Premature ovulation occurs at a high rate in natural-cycle in vitro fertilization (IVF), and cycle cancellation further hampers the overall efficiency of the procedure.
Xuefeng Lu, Shuzin Khor, Qianqian Zhu, Lihua Sun, Yun Wang, Qiuju Chen, Ling Wu, Yonglun Fu, Hui Tian, Qifeng Lyu, Renfei Cai, Yanping Kuang   +11 more
doaj   +1 more source

The impact of blastomere loss on pregnancy and neonatal outcomes of vitrified-warmed Day3 embryos in single embryo transfer cycles

Journal of Ovarian Research, 2022
Background Blastomere loss is a common phenomenon that occurs following cryopreservation. To date, studies have drawn conflicting conclusions regarding the impact of blastomere loss on pregnancy outcomes.
Shutian Jiang, Wei Jin, Xinxi Zhao, Qianwen Xi, Li Chen, Yining Gao, Wenzhi Li, Yanping Kuang   +7 more
doaj   +1 more source

Case Report: Successful Pregnancy and Birth of a Healthy Baby with PGT-A for Woman with Advanced Maternal Age

Fertility & Reproduction, 2022
Introduction: The most common cause of failed implantation and miscarriage is embryonic aneuploidy and the risk of aneuploidy increases significantly with increasing maternal age.
Shaw Ni Amy LEE, Chiou Fen TO, Mei Jing ONG, Rui Shan WONG, Su Ling YU   +4 more
doaj   +1 more source

The Use of Proteomics in Assisted Reproduction [PDF]

In Vivo, 2017
Despite the explosive increase in the use of Assisted Reproductive Technologies (ART) over the last 30 years, their success rates remain suboptimal. Proteomics is a rapidly-evolving technology-driven science that has already been widely applied in the exploration of human reproduction and fertility, providing useful insights into its physiology and ...
Kosteria, I., Anagnostopoulos, A.K., Kanaka-Gantenbein, C., Chrousos, G.P., Tsangaris, G.T.   +4 more
openaire   +3 more sources

The step-up protocol increases clinical pregnancy rates compared with the step-down in patients with unexplained infertility. A randomized controlled trial [PDF]

, 2022
OBJECTIVE: Unexplained infertility is a relevant indication for controlled ovarian stimulation associated to intrauterine insemination. The "step-up" and "step-down" gonadotropin-based protocols were designed to reduce multiple pregnancy and ovarian ...
Robles, Ana, Gonzalez-Comadran, Mireia, Checa, Miguel Ángel, Prat, Maria, Universitat Autònoma de Barcelona, Prat, Maria O., Gayete-Lafuente, Sonia   +6 more
core   +1 more source

Progestin-primed milder stimulation with clomiphene citrate yields fewer oocytes and suboptimal pregnancy outcomes compared with the standard progestin-primed ovarian stimulation in infertile women with polycystic ovarian syndrome

Reproductive Biology and Endocrinology, 2018
Background Oral progestin has recently been used to prevent premature LH surges in ovarian stimulation, and this progestin-primed ovarian stimulation (PPOS) is effective and safe in patients with different ovarian reserves.
Hongjuan Ye, Hui Tian, Wen He, Qifeng Lyu, Yanping Kuang, Qiuju Chen, Lihua Sun   +6 more
doaj   +1 more source

The baby business booms: Economic geographies of assisted reproduction [PDF]

, 2018
This paper explores how reproductive life has changed through the development, transnational spread, and commercialization of assisted reproductive technologies (in vitro fertilization, gamete donation, and surrogacy).
Carolin Schurr, Schurr, Carolin
core   +1 more source

Are poor responders patients at higher risk for producing aneuploid embryos in vitro? [PDF]

, 2010
Purpose To test the hypothesis that aged women with poor ovarian response express an increase on embryo chromosomal alterations when compared to aged women who presented normal response.Methods Couples undergoing intracytoplasmic sperm injection cycles ...
de Almeida Ferreira Braga, Daniela Paes, Savio Figueira, Rita de Cassia, Setti, Amanda Souza, Assumpto Iaconelli, Edson Borges, Borges, Edson, Rita de Cássia Savio Figueira, Daniela Paes de Almeida Ferreira Braga, Borges, Edson [UNESP], Azevedo, Matheus de Castro, Iaconelli, Assumpto, Amanda Souza Setti, Matheus de Castro Azevedo   +12 more
core   +1 more source

In Freeze-All Strategy, Cumulative Live Birth Rate (CLBR) Is Increasing According to the Number of Blastocysts Formed in Women <40 Undergoing Intracytoplasmic Sperm Injection (ICSI)

Frontiers in Endocrinology, 2019
Background: Elective freezing of all embryos, followed by frozen-thawed ET cycles emerged to prevent risk of Ovarian Hyperstimulation Syndrome and to allow endometrium recovery after Controlled Ovarian Stimulation, leading to better IVF outcomes ...
Evangelos Papanikolaou, Evangelos Papanikolaou, Tatiana Chartomatsidou, Evangelia Timotheou, Petroula Tatsi, Eleftheria Katsoula, Christina Vlachou, Irene Asouchidou, Odysseas Zafeiratis, Robert Najdecki   +9 more
doaj   +1 more source