Objective: After the introduction of assisted reproductive techniques, human embryos were officially introduced into laboratories and now thousands of them are cryopreserved in such settings. Embryonic stem cells and the future application of such cells in the treatment of disease opened the door to further research on human embryos. These developments raise many ethical issues, some of which have religious aspects. The main question is: what is the embryo? Should we consider it a human being? Thus, the purpose of this study was to investigate attitudes towards the personhood of the embryo.
Materials And Methods: In this cross sectional study, 203 infertile patients (n=406), 54 clinic staff and 49 embryo researchers, selected using convenience sampling at the Royan Institute, completed a questionnaire on personhood of human embryo. The questionnaire had been developed following qualitative research and had satisfied face and content validity tests.
Results: At the pre-implantation stage the majority of participants in all three groups considered the human embryo as "not a human being". Also, at the post-implantation stage of development, the majority of infertile couples and clinic staff considered the embryo as "not a human being" but, half the researchers (51%) considered the embryo in this stage as a "potential human". Half of the infertile couples considered the human fetus before ensoulment time (19 week of pregnancy according to the Shiite Islamic scholars) as "not-human being", while more than half of researchers (55.1%) considered it as a "potential human".
Conclusion: Ensoulment time is a major and important border for personhood. Most infertile couples and clinic staff consider the human embryo as "not a human being" but majority of all study participants considered the human fetus to be a complete human after ensoulment time.
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http://dx.doi.org/10.22074/cellj.2016.4989 | DOI Listing |
Purpose: To compare risks of neonatal anomalies and obstetric complications among frozen-thawed embryo transfer (FET), fresh embryo transfer (FreshET), and non-assisted reproductive technology (non-ART) treatments in infertile women.
Methods: This retrospective cohort study analyzed 7378 singleton births (2643 non-ART, 4219 FET, 516 FreshET) from 2013 to 2022. Outcomes were compared using inverse probability weighting regression adjustment, with adjustment for maternal factors.
Front Cell Dev Biol
January 2025
Department of Obstetrics and Gynecology, Jen-Ai Hospital, Taichung, Taiwan.
Infertility affects around 8%-12% of reproductive-aged couples and is a major health concern. Both genetic and environmental factors influence male infertility. is a crucial testis-specific gene essential for the final differentiation of male germ cells and is strongly linked to male infertility due to numerous detected mutations.
View Article and Find Full Text PDFFront Vet Sci
January 2025
Faculty of Pharmaceutical Sciences, Nagasaki International University, Sasebo, Nagasaki, Japan.
Fertility rates are declining in livestock such as cattle, and more than one in five Japanese couples have undergone infertility treatment or are currently infertile. Improving the fertilization rates of domesticated animals is imperative for improving their productivity and maintaining valuable lineages. In this study, the effects of rutin and quercetin on fertility and pregnancy rates were investigated by incorporating these compounds into the preculture medium for fertilization (IVF) or administering them orally to mice.
View Article and Find Full Text PDFFront Endocrinol (Lausanne)
January 2025
Department of Obstetrics and Gynaecology, Assiut University, Assiut, Egypt.
Oxidative stress (OS) is established as a key factor in the etiology of both male and female infertility, arising from an imbalance between reactive oxygen species (ROS) production and the endogenous antioxidant (AOX) defenses. In men, OS adversely affects sperm function by inducing DNA damage, reducing motility, significantly impairing sperm vitality through plasma membrane peroxidation and loss of membrane integrity, and ultimately compromising overall sperm quality. In women, OS is implicated in various reproductive disorders, including polycystic ovary syndrome, endometriosis, and premature ovarian failure, leading to diminished oocyte quality, disrupted folliculogenesis, and poorer reproductive outcomes.
View Article and Find Full Text PDFCureus
December 2024
Obstetrics and Gynaecology, Dr. D Y Patil Medical College, Hospital and Research Centre, Dr. D Y Patil Vidyapeeth (Deemed to be University) Pimpri, Pune, IND.
Background Infertility affects a significant proportion of reproductive-age couples globally, with diverse causes. Diagnostic hystero-laparoscopy (DHL) is emerging as a preferred diagnostic tool for evaluating infertility, combining laparoscopy and hysteroscopy for comprehensive assessment. Objective The primary objective of this prospective study was to evaluate the diagnostic accuracy and clinical utility of DHL in identifying the causes of infertility in women.
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