Pregnancy schedule

Day 10 - Jan 17 - estimated ovulation (2 days from Prog rise on Day 8)
Day 11 - Jan 18 - breeding
Day 12 - Jan 19 - breeding
Day 13 - Jan 20 - breeding

March 21 - due date (ovulation + 63 days)

May 16 - puppies are 8 weeks old and ready to go