The Roussel Pregnancy Calculator
From Eclectibles, ABAA, Tolland, CT, U.S.A.
Seller rating 2 out of 5 stars
AbeBooks Seller since 29 March 2012
From Eclectibles, ABAA, Tolland, CT, U.S.A.
Seller rating 2 out of 5 stars
AbeBooks Seller since 29 March 2012
About this Item
An advertising volvelle for "Pro-Duosterone", an oral pregnancy test marketed as effective two weeks earlier than other biologic tests. A course of four tablets per day for three days is taken. If nothing happens, the patient is pregnant; if the patient is not pregnant, menses will begin. To use the volvelle, the first day of the last menstrual period is aligned with the outer calendar; then, the EDC ("estimated date of confinement") can be predicted plus or minus five days. Volvelle measures 5" by 5", with inner circle measuring 3.75" in diameter, held together by a small metal grommet. Seller Inventory # 23001994
Bibliographic Details
Title: The Roussel Pregnancy Calculator
Publisher: Roussel Corporation, New York, New York
Publication Date: 1968
Condition: Very good.
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