Huang Yijun, 92-year old, of southern China, recently delivered a child which she'd been carrying for well over 60 years!!
This is condition is called stone pregnancy.


PS- The "60-year child" delivered was however dead.


Source:

http://www.asianoffbeat.com/default.asp?display=2006


http://www.thesun.co.uk/sol/homepage/news/2139390/Woman-92-pregnant-for-60-years-with-dead-child.html