First realize the term Ivy League refers to a very specific set of 8 schools: Harvard, Princeton, Yale, Columbia, Penn, Cornell, Dartmouth, and Brown. These are all private schools, with the exception of Cornell which has both private and public components.
As you can see, after an abortion the hCG levels remain up for as long as 60 days. Following an abortion a positive pregnancy test may occur for as long as 60 days post abortion when the termination procedure was successful. The following two paragraphs come from the 19the edition of Contraceptive Technology.
How many days after a miscarriage would it take for a urine pregnancy test to show a negative result? Urine hCG decreases at about the same rate as serum hCG, which can take anywhere from 9 to 35 days, with a median of 19 days. However, the timeframe for when an hCG result will be negative is dependent on what the hCG level was at the time of the miscarriage.