Pregnancy Test: Difference between revisions
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==History== | ==History== | ||
[[File:Adult frogs 01.jpg|thumb|Xenopus clawed frogs]] | [[File:Adult frogs 01.jpg|thumb|Xenopus clawed frogs]] | ||
* 1928 - Bernhard Zondek and Selman Aschheim procedure that measured the increase in gonadotrophic substance in the urine of a pregnant woman. | * '''1928''' - Bernhard Zondek and Selman Aschheim procedure that measured the increase in gonadotrophic substance in the urine of a pregnant woman. | ||
** Immature mice injection with urine led to ovarian changes after a few days | ** Immature mice injection with urine led to ovarian changes after a few days. | ||
** Xenopus clawed frog replaced mice, injection with urine stimulated the females to lay eggs that were easily seen the next day. | ** Xenopus clawed frog replaced mice, injection with urine stimulated the females to lay eggs that were easily seen the next day. | ||
* 1960s - immunological tests for chorionic gonadotropin. | * '''1960s''' - immunological tests for chorionic gonadotropin. | ||
* 1972 - Research on hCG at NIH by Judith Vaitukaitis and Griff Ross | * '''1972''' - Research on hCG at NIH by Judith Vaitukaitis and Griff Ross. | ||
* 1978 - USA first home pregnancy tests available. | * '''1978''' - USA first home pregnancy tests available. | ||
[[File:Judith Vaitukaitis-Griff Ross-c1971.jpg|200px]] | |||
Judith Vaitukaitis and Griff Ross (c1971) | |||
==References== | ==References== | ||
Revision as of 11:28, 13 November 2012
Introduction
Draft page - Notice removed when completed.
- Links: Implantation | Placenta Development | Week 2 | Pregnancy Test
History
- 1928 - Bernhard Zondek and Selman Aschheim procedure that measured the increase in gonadotrophic substance in the urine of a pregnant woman.
- Immature mice injection with urine led to ovarian changes after a few days.
- Xenopus clawed frog replaced mice, injection with urine stimulated the females to lay eggs that were easily seen the next day.
- 1960s - immunological tests for chorionic gonadotropin.
- 1972 - Research on hCG at NIH by Judith Vaitukaitis and Griff Ross.
- 1978 - USA first home pregnancy tests available.
Judith Vaitukaitis and Griff Ross (c1971)
References
Reviews
<pubmed></pubmed> <pubmed></pubmed> <pubmed>15838116</pubmed>
PMID 1117063
PMID 4823920
External Links
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Cite this page: Hill, M.A. (2026, October 29) Embryology Pregnancy Test. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/Pregnancy_Test
- © Dr Mark Hill 2026, UNSW Embryology ISBN: 978 0 7334 2609 4 - UNSW CRICOS Provider Code No. 00098G
