Consent of Independent Registered Public Accounting Firm
We consent to the incorporation by reference in the Registration Statement (Form S-8) pertaining to the 2012 Stock Incentive Plan and the Inducement Stock Option Award to James W. Lillie, Ph.D. of our reports dated March 15, 2018, with respect to the consolidated financial statements of OvaScience, Inc. and the effectiveness of internal control over financial reporting of OvaScience, Inc. included in its Annual Report (Form 10-K) for the year ended December 31, 2017, filed with the Securities and Exchange Commission.
/s/ Ernst & Young LLP
Boston, Massachusetts
August 9, 2018