23rd April 2010? Your rough conception date would be July 30th 2009, give or take a few days. However, it's difficult to accurately say when your conception date was. I suggest speaking to your doctor, midwife or obstetrician to get a better idea.
May 23rd to 31st.
The approximate date of conception was May 2nd
On or around the 6th of April.
April
July 17,2008
The approximate date of conception was April 27th
Roughly April 11th
April to early may.
18th April 2009? Your due date would be roughly Saturday January 23rd 2010
The approximate date of conception was August 7th
Sometime around July 26th
Roughly August 4th