novenber
The approximate date of conception is May 20th
November 20th
may 16th
Around may 16th
February 13th 2010 (give or take a few days)
May 23rd to 31st.
April to early may.
on or around the 19th of July
May 2009
29th may
I will assume you are talking about Feburary 11th 2012. If so, your estimated conception date is May 20th 2011. However, this date could be wrong by a couple of days. It also depends on when you ovulated.
Roughly August 28th