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                                                                                                                          Exhibit 12
                                                 American Home Products Corporation
                                       Computation of Ratio of Earnings to Fixed Charges (3)
                                            (Thousands of dollars, except ratio amounts)

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                                                                                       Years Ended December 31,
                                           Nine Months Ended    --------------------------------------------------------------------
                                           September 30, 2000      1999            1998          1997          1996          1995
                                           ------------------   -----------     ----------    ----------    ----------    ----------
<S>                                        <C>                  <C>             <C>           <C>           <C>           <C>
Earnings

--------

Income (loss) from continuing
    operations before federal
    and foreign taxes (4)                          $4,158,844   ($1,907,299)    $3,089,936    $2,364,753    $2,398,866    $2,148,208

Add:
----
  Fixed charges                                       274,905       403,328        371,844       513,860       601,927       701,781

  Minority interests                                   70,436        30,301            620         2,421        13,677         4,085

  Distributed equity income                                 0             0            771             0             0             0

  Amortization of capitalized interest                  1,587         1,803          1,487         1,057         5,621           768

Less:
-----
  Equity income                                           242         2,122            473         9,777         8,448         6,584

  Capitalized interest                                 26,020        15,375          9,497        12,898             0         7,681
                                           ------------------   -----------     ----------    ----------    ----------    ----------

Total earnings (loss) as defined                   $4,479,510   ($1,489,364)    $3,454,688    $2,859,416    $3,011,643    $2,840,577
                                           ==================   ===========     ==========    ==========    ==========    ==========

Fixed Charges:
--------------

  Interest and amortization of debt expense          $217,363      $343,271       $322,970      $461,370      $571,414      $665,021

  Capitalized interest                                 26,020        15,375          9,497        12,898             0         7,681

  Interest factor of rental expense (1)                31,522        44,682         39,377        39,592        30,513        29,079
                                           ------------------   -----------     ----------    ----------    ----------    ----------

    Total fixed charges as defined                   $274,905      $403,328       $371,844      $513,860      $601,927      $701,781
                                           ==================   ===========     ==========    ==========    ==========    ==========

Ratio of earnings to fixed charges (2) (4)               16.3             -            9.3           5.6           5.0           4.0


(1)   A 1/3 factor was used to compute the portion of rental expenses deemed representative of the interest factor.

(2)   The results of operations for the year ended December 31, 1999 are inadequate to cover total fixed charges as defined. The
      coverage deficiency for the year ended December 31, 1999 is $403,328. Excluding the charge for the REDUX and PONDIMIN
      litigation settlement of $4,750,000, the pro forma ratio of earnings to fixed charges would be 8.1 for the year ended December
      31, 1999.

(3)   Amounts have been restated to reflect the Cyanamid Agricultural Products business as a discontinued operation.

(4)   The income from continuing operations before federal and foreign taxes for the nine months ended September 30, 2000 included
      the Warner-Lambert Company termination fee of $1,709,380. Excluding the termination fee, the ratio of earnings to fixed
      charges would be 10.1 for the nine months ended September 30, 2000.

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