(The IU Health Center does not provide surgical or medical abortions.) Surgical abortion can be performed between 6weeks and 13 weeks, 6 days from the first day of your last period. For medical abortions, you must be less than 63 days (9 weeks) from the first day of your last period.The IU Health Center does not provide surgical or medical abortions.) Surgical abortion can be performed between 6weeks and 13 weeks, 6 days from the first day of your last period. For medical abortions, you must be less than 63 days (9 weeks) from the first day of your last period.