EXHIBIT 23

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We hereby consent to the incorporation by reference in the Registration Statements on Form S-3 (No. 33-45324, No. 33-57339, No. 333-108312, No. 333-111093 and No. 333-112450), and S-8 (No. 2-96127, No. 33-24068, No. 33-41434, No. 33-53733, No. 33-55449, No. 33-45970, No. 33-14458, No. 33-50149, No. 33-55456, No. 333-15509, No. 333-76939, No. 333-67008, No. 333-64154, No. 333-59668, No. 333-89318, No. 333-98619, No. 333-98623, No. 333-125005 and No. 333-133814) of Wyeth of our report dated February 22, 2007 relating to the financial statements, management’s assessment of the effectiveness of internal control over financial reporting and the effectiveness of internal control over financial reporting, which appears in the Annual Report to Stockholders, which is incorporated in this Annual Report on Form 10-K.

/s/ PricewaterhouseCoopers LLP

     Florham Park, New Jersey

     February 23, 2007