Observed frequency of fetal trisomy between 16 and 24 gestational weeks in pregnant women older than 34 years at delivery | Zendy

Shin Ok Jeong | Zendy; You Jung Han | Zendy; Si Won Lee | Zendy; Dong Wook Kwak | Zendy; Jin Hoon Chung | Zendy; Hyun Kyong Ahn | Zendy; June Seek Choi | Zendy; Jung Yeol Han | Zendy; Moon Young Kim | Zendy; So Yeon Park | Zendy; Hyun Mee Ryu | Zendy; Min Hyoung Kim | Zendy

Open Access

Observed frequency of fetal trisomy between 16 and 24 gestational weeks in pregnant women older than 34 years at delivery

Author(s) -

Shin Ok Jeong,

You Jung Han,

Si Won Lee,

Dong Wook Kwak,

Jin Hoon Chung,

Hyun Kyong Ahn,

June Seek Choi,

Jung Yeol Han,

Moon Young Kim,

So Yeon Park,

Hyun Mee Ryu,

Min Hyoung Kim

Publication year - 2015

Publication title -

journal of genetic medicine

Language(s) - English

Resource type - Journals

eISSN - 2233-9108

pISSN - 1226-1769

DOI - 10.5734/jgm.2015.12.2.92

Subject(s) - trisomy , medicine , gestational age , gynecology , pregnancy , advanced maternal age , obstetrics , fetus , biology , genetics

period. It is well known that fetal chromosomal trisomies increase with advanced maternal age [1]. In the 1980s, the risk of mid-trimester trisomy 21 in a 35-years-old woman at delivery was reported to be 1:270. This risk rapidly rises with increasing maternal age over 35 years. The maternal-age-related risk of Observed frequency of fetal trisomy between 16 and 24 gestational weeks in pregnant women older than 34 years at delivery

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