Data and Statistics Index Page
When the post-fertilization age was unknown, then the physicians estimate of gestation was used. There were 5 terminations where the gestational age was not reported.
For the 5 terminations without a reported gestational age, the date of the last menses and date of termination were used to calculate an estimated gestational age: 1 (100.0%) occurred at 6 to 8 weeks.
For the remaining 4 terminations, the date of the last menses was unknown.