Results 21 to 30 of about 86,763 (303)

#307 : Establishment of an Early Blastocyst Stage Classification System and Its Implications for Clinical Pregnancy and Live Birth Outcomes

Fertility & Reproduction, 2023
Background and Aims: Sub-optimal embryo development on day 5 often leads to the transfer of an early blastocyst (EB) stage embryo, especially for women >38 years of age.
Melissa Caddy, Kym Boekel, Deirdre Zander-Fox, Mark Green   +3 more
doaj   +1 more source

Are Clinical Outcomes of Microdissection Testicular Sperm Extraction in Non-Obstructive Azoospermic Men Affected by the Use of Fresh or Frozen Gametes?

Fertility & Reproduction, 2022
Background: Non-obstructive azoospermia (NOA) is a severe form of male factor infertility, evident in approximately 5% of infertile couples seeking fertility treatment.
Luk ROMBAUTS, Fabrizzio HORTA, Sandra HOLDEN, Darren KATZ, Mark GREEN, Deirdre ZANDER-FOX   +5 more
doaj   +1 more source

#288 : Comparison of OVOIL and OVOIL HEAVY in the Clinical IVF Laboratory on Fertilization, Blastocyst Utilization and Transfer Outcomes

Fertility & Reproduction, 2023
Background and Aims: OVOIL HEAVY (Hv-OIL, Vitrolife) is a new synthetic oil, which compared to a paraffin oil OVOIL, has increased viscosity which may benefit handling, and provide osmolality and pH stabilisation.
H Kathryn Gurner, R.L Kelley, Y.S Lee, D.K Gardner   +3 more
doaj   +1 more source

#157 : The Effect of COVID-19 Infection on Sperm DNA Fragmentation Index and Pregnancy Outcome in Teratai IVF Clinic Jakarta

Fertility & Reproduction, 2023
Background and Aims: Coronavirus disease (COVID-19) caused by severe acute respiratory syndrome coronavirus (SARS CoV 2) has highly suspected as one of the causes of male infertility.
Rossy Marthasari, Irsal Yan, Seindy Glamour, Harijanto Harijanto, Andrie Ronggani   +4 more
doaj   +1 more source

Comparison of Highly Purified HMG versus Recombinant FSH with Antagonist Protocol in Poor Responder Patients

Fertility & Reproduction, 2020
Background:Luteinizing hormone (LH) supplementation may have beneficial effect on the maturity and fertilizability of oocytes in poor ovarian reserve (POR) and may influence the progesterone level, thus increasing the pregnancy rate.
Arie A. Polim, Nining Handayani, Adinda Pratiwi, Caroline Hutomo, Arief Boediono, Ivan Sini   +5 more
doaj   +1 more source

#263 : Follitropin Delta for Controlled Ovarian Stimulation: Evaluating Dose Equivalence Approach

Fertility & Reproduction, 2023
Background and Aims: The use of Follitropin Delta (FD) according to ESTHER-1 study algorithm for controlled ovarian stimulation (COS) protocol yielded less sufficient ovarian response in our previous experience.
Aerul Chakra Alibasya, Tribowo Hasmoro, F. Yudha Christianti, Athiyya Nurfadhilah, Gita Angella   +4 more
doaj   +1 more source

#162 : Effect of r-LH Supplementation in Controlled Ovarian Stimulation in Antagonist Protocol of IVF

Fertility & Reproduction, 2023
Background and Aims: Adding LH to FSH can increase the mean of retrieved oocytes and cumulative embryos. LH stimulates the theca cells to secrete androgens, which are converted to estrogens during folliculogenesis.
Liva Wijaya, Nadia Shafira, Boy Abidin, Ayang Halim, Tri Bowo Hasmoro, Budi Wiweko   +5 more
doaj   +1 more source

A comprehensive assessment of predictors of fertility outcomes in men with non-obstructive azoospermia undergoing microdissection testicular sperm extraction

Reproductive Biology and Endocrinology, 2020
Background Microdissection testicular sperm extraction (microTESE) in men with non-obstructive azoospermia (NOA) is the procedure that results in the highest number of sperm cells retrieved for in vitro fertilization (IVF).
Parviz K. Kavoussi, Brady T. West, Shu-Hung Chen, Caitlin Hunn, Melissa S. Gilkey, G. Luke Machen, Keikhosrow M. Kavoussi, Amy Esqueda, J. David Wininger, Shahryar K. Kavoussi   +9 more
doaj   +1 more source

IVF and human evolution

Human Reproduction Update, 2022
ABSTRACTHumans are shaped by evolution through natural selection, as are all species. While evolution is central to all biological processes, the key stage for competition and selection is reproduction, which encompasses various events from courtship and mating to fertilization and pregnancy.
Hans Ivar Hanevik, Dag O Hessen
openaire   +2 more sources

Automated identification of blastocyst regions at different development stages

Scientific Reports, 2023
The selection of the best single blastocyst for transfer is typically based on the assessment of the morphological characteristics of the zona pellucida (ZP), trophectoderm (TE), blastocoel (BC), and inner cell-mass (ICM), using subjective and observer ...
Adolfo Flores-Saiffe Farias, Alejandro Chavez-Badiola, Gerardo Mendizabal-Ruiz, Roberto Valencia-Murillo, Andrew Drakeley, Jacques Cohen, Elizabeth Cardenas-Esparza   +6 more
doaj   +1 more source