Final answer:
Ovulation typically occurs around day 14 of a 28-day menstrual cycle. Based on the estimated due date, the correct LMP and ovulation dates would be April 3, 2015, and April 17, 2015, respectively.
Step-by-step explanation:
Ovulation, the release of an egg from the ovary, typically occurs at around day 14 of a 28-day menstrual cycle. The sperm can only survive in the fallopian tube for a few days, so fertilization can only occur within those few days post-ovulation. In this case, the estimated due date (EDD) is December 25, 2015, so we need to count backwards to estimate the LMP and ovulation. Based on the information provided, the correct answer would be:
A) LMP: April 3, 2015, Ovulation: April 17, 2015