department of art for infertility treatmet research centre of ob/gyn &perinatology named after...
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![Page 1: Department of ART for Infertility Treatmet Research Centre of Ob/Gyn &Perinatology Named After V.I. Kulakov Ministry of Health And Social Development of](https://reader035.vdocuments.site/reader035/viewer/2022062314/56649da05503460f94a8bbaa/html5/thumbnails/1.jpg)
Department of ART for Infertility TreatmetResearch Centre of Ob/Gyn &Perinatology Named
After V.I. Kulakov Ministry of Health And Social
Development of Russian Federation
Zhanna Glinkina
Assistive Reproductive Technologies (ART) Outcomes
Optimization Thought PGD: Role of Medico-genetic Factors
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More than 30 years of IVF in the world!
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1. Developed and applied new drugs for ART programs;
2. developed new protocols ART;
3. introduced new technologies (ICSI, PGD, TESA, cryopreservation of embryos, etc.)
ART program provided an opportunity to have children to couples with previously untreatable forms of infertility
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1. Reproductive behavior changed man;
2. changed the patients included in the program ART (patients with cancer history, patients with genetic disorders, etc.)
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Must exercise great caution when conducting genetic program of ART in this group of patients
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Scientific - practical activities of VRT offices in different countries has shown that changes in genotype among patients with impaired reproductive function occur much more frequently than in the population. Reproductive disorders are usually caused by chromosomal and gene mutations, the presence of a hereditary predisposition to the disease.
Mutations in the parents, leading to disruption of reproduction and the impossibility of conceiving a child naturally, the application program VRT can be transmitted through the gametes of the future offspring.
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Patients IVF
in 29 couples out of 391 (7.4%), one of the spouses had changes in the karyotype (24 women, 5 men, 3.7%)
In the group of patients ICSI program
In 37 couples out of 558 (6.6%), one of the spouses had changes in the karyotype (7 women, 30 men, 3.3%)
The level of chromosomal aberrations in the population - 0.5%
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Heterozygous carriers of mutations CYP21V different methods were found in 37.1% of cases
Of all the identified mutations in men and women in both groups, deletions of CYP21B gene was 70.7%; duplication - 24.4%.
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Mutations in the CFTR gene were detected in 14.8% of patients
Mutations The results of semen analysis
F508del ОАТ
W1282X ОАТ
2143delT ОАТ
1677delTA Astenoteratozoospermiya2184insA obstructive azoospermia
F508del и 5Т oligozoospermia
5Т ОАТ
nonobstructive azoospermiaAstenoteratozoospermiyaTeratozoospermia
5Т/5Т nonobstructive azoospermiaobstructive azoospermia
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AZF microdeletions of the Y chromosome loci were detected in 15.1% of patients ICSI program
Del sY 1192
Del sY 1291
Del sY 242
Del sY 1125
Del sY 254, sY255
Del sY 1291, Del sY 1197
Del sY 242, Del sY 254, Del sY 157
Del sY 1192, Del sY 254, Del sY 255, Del sY 1206
Del sY 1192, Del sY 254, Del sY 255, Del sY 1291, Del sY 1206
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conclusion:
The high frequency of chromosomal and genetic changes in the genotype of patients ART program determines the need for medical genetic counseling and cytogenetic survey of both spouses and on the testimony of the molecular - genetic survey to include them in IVF / ICSI.
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Results of the study of chorion
Karyotype self-pregnancy induced by pregnancy
number
(700)
% from abnormal
karyotypes
number
(57)
% Of abnormal
karyotypes
normal 259(37%) 26(45,6%)
trisomy
autosomes 322 73 18 58
triploidy 59 12 1 3,2
tetraploids 12 3 1 3,2
monosomy X 32 8 7 22,6
structural
abnormalities 8 2 1 3,2
others
disorders8 2 3 9,6
Total anomalous 441(63%) 31(54,4%)
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What does the PGD?
2) reducing the frequency of spontaneous abortions;3) reduction in the incidence of multiple of pregnancies.
1) The birth of healthy offspring;
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With PGD, % Without PGD %
Р
Pregnancy rate per cycle 33.3 33.6 0.09
Pregnancy rates in embryo transfer
36.6 35.8 0.04
The frequency of implantation 31.7 22.07 0.08
The frequency of abortion I trimester
7.7 44.2 < 0.01
The frequency of abortion in the II trimester
- 7
ART in couples where the husband has patozoospermiya
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After biopsy blastomeres, further development of embryos is observed in 90-95% of cases
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Analysis of the results of PGD Patients with genetic mutations showed that 23% of the patients in this group of patients on genetic criteria are no embryos suitable for transfer
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10th International Congress on Preimplantation Genetic Diagnosis5-8 May 2010, Montpellier, France
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Prospects of development of PGD1) Identification of mutations in the embryo of fertile couples, but with a high risk of birth of offspring with genetic disorders;
2) identification of HLA antigens embryosselection of donor leukocyte antigen identical toa sick child - brother / sister;
3) identification of a genetic predisposition tosevere diseases (oncology, Alzheimer's disease andetc.);
4) The selection of embryos with specific phenotypictraits - eye color, hair, married couples, benefited from donor cells in the IVF
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Zh. Glinkina.
Thank you for your attention