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![PRESENTED BY :- HIMANSHU SINGH HADA :- HARSHIT SHUKLA PRESENTED TO:- SVETLANA SMIRNOVA](/_ipx/f_webp&q_80&fit_contain&s_1440x1080/imagesDir/jpg/300691/slide-1.jpg)
PRESENTED BY :- HIMANSHU SINGH HADA :- HARSHIT SHUKLA
PRESENTED TO:- SVETLANA
SMIRNOVA
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![](/_ipx/f_webp&q_80&fit_contain&s_1440x1080/imagesDir/jpg/300691/slide-2.jpg)
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![INTRODUCTION Genetic counseling is important in dermatological practice. Estimation of](/_ipx/f_webp&q_80&fit_contain&s_1440x1080/imagesDir/jpg/300691/slide-3.jpg)
INTRODUCTION
Genetic counseling is important in dermatological practice. Estimation of genetic risks
requires accuracy.
Prenatal diagnosis (PND) may be chosen for severe genodermatoses. It is essential that PND be based on ethical considerations.
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![PURPOSE OF GENETIC COUNSELLING Purpose of genetic counsellingProvide concrete, accurate](/_ipx/f_webp&q_80&fit_contain&s_1440x1080/imagesDir/jpg/300691/slide-4.jpg)
PURPOSE OF GENETIC COUNSELLING
Purpose of genetic counsellingProvide concrete, accurate information about
inherited disorders.
Reassure people who are concerned that their child may inherit a particular disorder that the disorder will not occur.
Allow people who are affected by inherited disease to make informed choice about future reproduction.
Educate people about inherited disorder and the process of inheritance.
Offer support by skilled health care professionals to people who are affected by genetic disorders.
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![](/_ipx/f_webp&q_80&fit_contain&s_1440x1080/imagesDir/jpg/300691/slide-5.jpg)
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![INDICATION 1.Advanced parental age: Maternal age =35 yrs Paternal age](/_ipx/f_webp&q_80&fit_contain&s_1440x1080/imagesDir/jpg/300691/slide-6.jpg)
INDICATION
1.Advanced parental age:
Maternal age =35 yrs
Paternal age =50 yrs.
2.
Previous child with or family H/O:
Congenital anomaly
Dysmorphism
Intellectual disabilitY
Developmental delay
Isolated birth defect
Metabolic disorder
Chromosomal abnormality
Myopathy/ Neuropathy
Ambiguous genitalia
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![3.ADULT ONSET GENETIC DISORDER (PRESYMPTOMATIC TESTING): CANCER 4.CONSANGUINITY 5. TERATOGEN](/_ipx/f_webp&q_80&fit_contain&s_1440x1080/imagesDir/jpg/300691/slide-7.jpg)
3.ADULT ONSET GENETIC DISORDER (PRESYMPTOMATIC TESTING):
CANCER
4.CONSANGUINITY
5. TERATOGEN EXPOSURE
6. REPEATED PREGNANCY
LOSS OR INFERTILITY
7.PREGNANCY SCREENING ABNORMALITY
- MATERNAL SERUM A-FETO PROTEIN
- MATERNAL TRIPLE OR QUAD TEST
- FETAL ULTRASONOGRAPHY - FETAL KARYOTYPE8.HETEROZYGOTE
8.SCREENING BASED ON ETHNIC RISK
SICKLE CELL ANEMIA
TAY-SACHS
. CANAVAN
GAUCHER DISEASE
THALASSEMIA
9.FOLLOW UP TO ABNORMAL NEONATAL GENETIC TESTING
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![TYPES OF GENETIC COUNSELLING TWO TYPES OF GENETIC COUNSELLING: (A)](/_ipx/f_webp&q_80&fit_contain&s_1440x1080/imagesDir/jpg/300691/slide-8.jpg)
TYPES OF GENETIC COUNSELLING
TWO TYPES OF GENETIC COUNSELLING:
(A) PROSPECTIVE
GENETIC COUNSELLING:
• THIS ALLOWS FOR THE TRUE PREVENTION OF DISEASE.
• THIS REQUIRES TO IDENTIFY HETEROZYGOUS INDIVIDUALS FOR ANY PARTICULAR DEFECT BY SCREENING.
• EXPLAINING TO THEM THE RISK OF THEIR HAVING AFFECTED CHILDREN IF THEY MARRY ANOTHER HETEROZYGOTE FOR THE
SAME GENE.
• IF HETEROZYGOUS MARRIAGE CAN BE PREVENTED OR REDUCED, THE PROSPECTS OF GIVING BIRTH TO AFFECTED CHILDREN WILL DIMINISH.
· EX: SICKLE CELL ANAEMIA
THALASSEMIA
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![(B) RETROSPECTIVE GENETIC COUNSELLING:• MOST :-GENETIC COUNSELING AT PRESENT IS](/_ipx/f_webp&q_80&fit_contain&s_1440x1080/imagesDir/jpg/300691/slide-9.jpg)
(B) RETROSPECTIVE GENETIC COUNSELLING:• MOST :-GENETIC COUNSELING AT PRESENT IS RETROSPECTIVE,
(THE HEREDITARY DISORDER HAS ALREADY OCCURRED WITHINTHE FAMILY).·
EX. MENTAL RETARDATION
PSYCHIATRIC ILLNESS
INBORN ERRORS OF METABOLISM
:-THE METHODS WHICH COULD BE SUGGESTED UNDER RETROSPECTIVE GENETIC COUNSELING ARE:
-CONTRACEPTION
-PREGNANCY TERMINATION
-STERILIZATION
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![METHODS OF PRENATAL DIAGNOSIS (A) IMAGING:- ULTRASOUND MRI (B) FLUID](/_ipx/f_webp&q_80&fit_contain&s_1440x1080/imagesDir/jpg/300691/slide-10.jpg)
METHODS OF PRENATAL DIAGNOSIS
(A) IMAGING:- ULTRASOUND
MRI
(B) FLUID ANALYSIS:- AMNIOCENTESIS
CORDOCENTESIS
(C)
FETAL TISSUE ANALYSIS- CHORIONIC VILLUS SAMPLING
(D) MATERNAL SERUM TESTS:-@FETO PROTEIN
TRIPLE TEST
QUAD TEST
(E) MATERNAL CERVIX:- FETAL FIBRONECTIN
FLUID AND BACTERIAL CULTURE
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![](/_ipx/f_webp&q_80&fit_contain&s_1440x1080/imagesDir/jpg/300691/slide-11.jpg)
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![METHOD OF GENETIC COUNSELING](/_ipx/f_webp&q_80&fit_contain&s_1440x1080/imagesDir/jpg/300691/slide-12.jpg)
METHOD OF GENETIC COUNSELING
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![QUESTIONS 1. WHAT IS THE GENETIC COUNSELING? 2. WHAT ARE THE TYPES OF GENETIC COUNSELING?](/_ipx/f_webp&q_80&fit_contain&s_1440x1080/imagesDir/jpg/300691/slide-13.jpg)
QUESTIONS
1. WHAT IS THE GENETIC COUNSELING?
2. WHAT ARE THE TYPES OF
GENETIC COUNSELING?