rukami_razvedu, 19.06.2018 18:49
Maternal Age at Delivery and Risk of Down Syndrome or Similar Chromosomal Birth DefectMaternalAge (Years) Chromosomal Birth Defect*>25-29 >2>30-34 >3>35 >5>36 >6>37 >8>38 >10>40 >16>41 >20>45 >50
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