milestones to look forward to

Some milestones I've collected based on my best math as to when I actually ovulated:

Date of Fertilization: 12/14/11
Fetal organ formation begins: 1/4/2012
Fetal heart beat should be seen: 1/17/12
Period of greatest risk for birth defects: 1/4/2012 - 2/8/2012
Major organs are fully formed: 2/8/2012
Ultrasound Screen: 2/16/12 - 3/07/12
Trimester 1 ends: 2/23/2012
Triple Screen: 3/13/12 - 4/04/12
Amniocentesis: 3/27/12 - 4/04/12
Fetus starts moving: 4/03/12 - 4/18/12
Anatomy Scan: 4/10/12 - 4/17/12
Fetus becomes viable: 5/15/12
Glucose Screen: 5/15/12 - 6/13/12
Trimester 2 ends (27 weeks): 6/7/2012
Term delivery: 8/14/12 - 9/19/12
Approximate due date: 9/05/2012