Results 21 to 30 of about 1,482,535 (355)

The COVID-19 pandemic and human fertility

Science, 2020
Birth trends in response to the pandemic will vary according to socioeconomic conditions The coronavirus disease 2019 (COVID-19) pandemic will have consequences for human populations. Worldwide, mortality levels are certainly affected.
A. Aassve, N. Cavalli, L. Mencarini, S. Plach, M. Livi Bacci   +4 more
semanticscholar   +1 more source

Human sperm vitrification: the state of the art

Reproductive Biology and Endocrinology, 2020
Sperm cryopreservation has been widely used in assisted reproductive technology (ART) and has resulted in millions of live births. Two principal approaches have been adopted: conventional (slow) freezing and vitrification.
Yong Tao, Erika Sanger, Arpornrad Saewu, Marie-Claude Leveille   +3 more
doaj   +1 more source

Obesity as disruptor of the female fertility

Reproductive Biology and Endocrinology, 2018
Both obesity and overweight are increasing worldwide and have detrimental influences on several human body functions including the reproductive health.
E. Silvestris, G. De Pergola, Raffaele Rosania, G. Loverro   +3 more
semanticscholar   +1 more source

Seasonal effects on fertility in gilts and sows.

Journal of reproduction and fertility. Supplement, 2020
The ancestral wild pig is a short day length seasonal breeder. The domestic pig appears to have retained some of this seasonality as evidenced by a reduction in fertility during the summer-autumn period. The most important aspect of this seasonality is a
R. Love, Gareth Evans, C. Klupiec
semanticscholar   +1 more source

A reflection on economic uncertainty and fertility in Europe: The Narrative Framework

Genus, 2020
The generalized and relatively homogeneous fertility decline across European countries in the aftermath of the Great Recession poses serious challenges to our knowledge of contemporary low fertility patterns.
Daniele Vignoli, Raffaele Guetto, G. Bazzani, Elena Pirani, A. Minello   +4 more
semanticscholar   +1 more source

Comparative Analysis of Logistic Regression, Random Forest, and SVM for Asthma Risk Prediction Using Demographic, Clinical, and Environmental Features

Journal of Applied Informatics and Computing
Asthma prediction demands architectures capable of capturing multifactorial interactions among demographic, clinical, and environmental determinants.
Barnabas Belieffain Fertility  Daeli, Ucta Pradema Sanjaya   +1 more
doaj   +1 more source

Does body mass index impact assisted reproductive technology treatment outcomes in gestational carriers

Reproductive Biology and Endocrinology, 2020
Background The purpose of this study was to assess whether increased body mass index (BMI) negatively affects assisted reproductive technology (ART) outcomes among gestational carriers.
Noga Fuchs Weizman, Miranda K. Defer, Janice Montbriand, Julia M. Pasquale, Adina Silver, Clifford L. Librach   +5 more
doaj   +1 more source

#305 : Preparation of Epididymal/Testicular Spermatozoa; Technical Aspects and Its Impact on Success

Fertility & Reproduction, 2023
Background and Aims: The introduction of ICSI 30 years ago paved the way for epididymal/testicular spermatozoa to be used to fertilise oocytes in couples undergoing ART.
Hesham Eltemimy, Alexander Gwynn, Fulya Ozcan, Joanna Ferraro, Cecilia Sjoblom   +4 more
doaj   +1 more source

Is day 7 culture necessary for in vitro fertilization of cryopreserved/warmed human oocytes?

Reproductive Biology and Endocrinology, 2020
Background Human embryos are usually cultured to blastocyst stage by Day 5 or 6 after insemination. However, some embryos grow slowly and reach blastocyst stage at Day 7.
Xiangli Niu, Cassie T. Wang, Richard Li, Ghassan Haddad, Weihua Wang   +4 more
doaj   +1 more source

pHantastic Embryos and Where to Find Them: Can a Real-Time pH Monitoring System Represent the pH Environment of Culture Media?

Fertility & Reproduction, 2022
Background: Maintaining optimal pH of culture media reduces environmental stressors on gametes and embryos, which has been shown to be critical in supporting embryo development.
Casey DEAN, Kavyadharshini GUNASEGARAN, Justine GABRIEL, Daniela IACOBELLI, Kelli SORBY   +4 more
doaj   +1 more source