Costs are higher for a medical abortion than a first-trimester surgical abortion.
Dr. Silverman's clinics charge $300 to $500 for a first-trimester abortion, the newspaper said.
Business is good - he does about 3,000 abortions a year, charging $300 for a first-trimester abortion.
Some doctors in Alaska continue to perform first-trimester abortions, however.
But for now, this study shows that women need not shun a first-trimester abortion for fear of developing breast cancer.
But it is more often used with other medicines, such as mifepristone or methotrexate, in first-trimester abortions.
The Supreme Court had just declared laws against first-trimester abortions unconstitutional.
The free-standing clinics charge about $200 for a first-trimester abortion.
Vacuum aspiration is the procedure used for almost all first-trimester abortions in many countries.
Take, for instance, the new form of first-trimester abortion that uses the drug methotrexate.