The information published on this WEBsite one have only a informative character, 

and they cannot replace the medical visit.

 

 

Prenatal Diagnosis: indications

 

 

The medical techniques of the Prenatal Diagnosis are indicated in the following cases: 

advanced maternal age (over 35 years), 

history of previous pregnancies with children affected from chromosomic anomalies, 

parents carriers of chromosomic anomalies, pregnancies with risk for  neural tube disease (NTD) or for errors of the metabolism, 

familiar history of Down syndrome or other chromosomic anomalies, 

teratogenic indications (like for drug assumption or for infectious or other diseases in pregnancy).  

 

In this table you can see the number of alive affected by Down Syndrome  in relation to the maternal age

 

DOWN SYNDROME:

risck  related to maternal age

age

risck

20

21

22

23

24

25

26

27

28

29

30

31

32

1 : 1528

1 : 1507

1 : 1481

1 : 1447

1 : 1404

1 : 1351

1 : 1286

1 : 1208

1 : 1119

1 : 1018

1 : 909

1 : 796

1 : 683

age

risk

33

34

35

36

37

38

39

40

41

42

42

44

45

1 : 574

1 : 474

1 : 384

1 : 307

1 : 242

1 : 189

1 : 146

1 : 112

1 : 85

1 : 65

1 : 49

1 : 37

1 : 28

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Related Links

Amnionet

 

Prenatal Diagnosis - WebPath, Univ. of Utah (US)

 

The Fetal Medicine Foundation

 

Chorionic Villus Sampling and Amniocentesis: Recommendations for Prenatal Counseling (CDC)

 

 

 

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