File:Pregnancy test.gif: Revision history

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3 April 2019

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3 August 2009

  • curprev 09:4809:48, 3 August 2009MarkHill talk contribs 620 bytes +620 Pregnancy test available to the public. Based upon the detection of human chorionic gonadotrophin - (hCG) Placental hormone initially secreted by cells (syncitiotrophoblasts) from the implanting conceptus during week two, supporting the ovarian corpus lu