mmmm DD1 was a condom baby. We were having celebratory sex when finding out a lump in my breast was due to ovulation... so I knew I was ovulating and we were happy it wasn't a nasty lump....

weeks later as I was vomiting in the toilet it hit me that I may be pregnant... and sure enough 4 tests and a blood test later, DH & I were finally convinced it was true. Since then we have used the ovulation and condom methods.