What is Patau syndrome?
'''Patau Sydrome''', also known as '''Trisomy 13''' or '''Trisomy D''' is a problem with the [[chromosome]]s. People who suffer from it have an extra copy of chromosome 13. This is usually because of a problem that occurred during [[meiosis]], but it can also be the result of [[Robertsonian translocation]], a common rearrangement of chromosomes in humans. The risk of getting a problem during meiosis increases when women have babies later in life. The average age for this syndrome is at 31 years.<ref>{{cite web |url=http://www.wrongdiagnosis.com/p/patau_syndrome/prevalence.htm |title=Prevalence and Incidence of Patau syndrome |accessdate=2008-02-17 |date=2008-02-04 |work=Diseases Center-Patau Syndrome |publisher=Adviware Pty Ltd. |quote=mean maternal age for this abnormality is about 31 years}}</ref> It is the rarest of the three common [[trisomy|trisomies]]. [[Down syndrome]] and [[Edwards syndrome]] are more common. Patau syndrome affects about one in 25,000 live births.<ref>{{Cite web |url=http://miscarriage.about.com/od/onetimemiscarriages/p/patau.htm |title=Archived copy |access-date=2009-10-29 |archive-date=2016-03-04 |archive-url=https://web.archive.org/web/20160304091237/http://miscarriage.about.com/od/onetimemiscarriages/p/patau.htm |url-status=dead }}</ref> ==References== {{reflist}} [[Category:Trisomies]]