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The interplay between mitochondrial DNA genotypes, female infertility, ovarian response, and mutagenesis in oocytes.
Hum Reprod Open
December 2024
Vrije Universiteit Brussel (VUB), Brussels Health Campus/Faculty of Medicine and Pharmacy, Research Group Genetics, Reproduction and Development , Laarbeeklaan 103, 1090 Brussels, Belgium.
Study Question: Is there an association between different mitochondrial DNA (mtDNA) genotypes and female infertility or ovarian response, and is the appearance of variants in the oocytes favored by medically assisted reproduction (MAR) techniques?
Summary Answer: Ovarian response was negatively associated with global non-synonymous protein-coding homoplasmic variants but positively associated with haplogroup K; the number of oocytes retrieved in a cycle correlates with the number of heteroplasmic variants in the oocytes, principally with variants located in the hypervariable (HV) region and rRNA loci, as well as non-synonymous protein-coding variants.
What Is Known Already: Several genes have been shown to be positively associated with infertility, and there is growing concern that MAR may facilitate the transmission of these harmful variants to offspring, thereby passing on infertility. The potential role of mtDNA variants in these two perspectives remains poorly understood.
Invisible Waves, Visible Consequences: Environmental Radiation's Role in Human Fertility.
Integr Med (Encinitas)
December 2024
Senior Consultant Radiation Oncologist at Rajiv Gandhi Cancer Institute and Research Centre, New Delhi, India.
Environmental radiation is one of the key causes of the increased prevalence of infertility among couples. This type of radiation can be ionizing or non-ionizing. While ionizing radiation is known to cause sterility in both males and females, the role of low-energy non-ionizing radiation is still debated.
View Article and Find Full Text PDFCesarean Section and Its Impact on Uterine Artery Resistance and the Risk of Pre-eclampsia in Subsequent Pregnancies.
J Reprod Infertil
January 2024
Shahid Akbarabadi Clinical Research Development Unit (ShACRDU), School of Medicine, Iran University of Medical Sciences (IUMS), Tehran, Iran.
Background: The purpose of the current study was to compare the color Doppler findings of uterine arteries and perinatal outcomes in pregnant women with and without previous cesarean section (C/S).
Methods: This cohort study enrolled 308 pregnant women aged 20-35 without underlying diseases, with at least one previous pregnancy and childbirth. The participants were divided into two groups: 154 women without C/S and 154 women with C/S.
Assisted Reproductive Technology Outcomes After Ethanol Sclerotherapy in Poor Responder Patients with Endometriomas: A Before-After Clinical Trial.
J Reprod Infertil
January 2024
Department of Obstetrics and Gynecology, Arash Women's Hospital, Tehran University of Medical Sciences, Tehran, Iran.
Background: The purpose of the present study was to investigate the assisted reproductive technology (ART) outcomes after ethanol sclerotherapy (EST) in poor responder patients with endometriomas.
Methods: In this before-after clinical trial, the outcomes of ART of 31 poor responders with endometriomas were evaluated after EST between July 2023 to March 2024. These patients had undergone ART at least in one cycle before and did not respond well.
The association between Vitamin D deficiency and clinical pregnancy rate in IVF patients with different age.
Front Endocrinol (Lausanne)
January 2025
Center for Reproductive Medicine, Henan Key Laboratory of Reproduction and Genetics, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China.
Background: The aim of the present study was to investigate the impact of serum VD status on IVF outcomes and to observe the effect of VD deficiency on the expression of the endometrial receptivity marker HOXA10.
Materials And Methods: Patients undergoing their first IVF cycles were divided into 3 groups according to VD levels (deficient: <20 ng/mL, insufficient: 20-29.9 ng/mL), and replete ≥30 ng/mL).
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