Judith Vaitukaitis

Photo: Courtesy of Judith Vaitukaitis Were it not for the National Institutes of Health's former policy that did not allow NIH researchers to patent their discoveries, "Vaitukaitis" would have been a household name, like Pasteur or Steinway. That's because reproductive endocrinologist Judith Vaitukaitis, now director of NIH's National Center for Research Resources (NCRR), discovered what became the first simple pregnancy test--the immunoassay for the presence of human chorionic gonadotrophin (

Written byMyrna Watanabe
| 4 min read

Register for free to listen to this article
Listen with Speechify
0:00
4:00
Share

Were it not for the National Institutes of Health's former policy that did not allow NIH researchers to patent their discoveries, "Vaitukaitis" would have been a household name, like Pasteur or Steinway. That's because reproductive endocrinologist Judith Vaitukaitis, now director of NIH's National Center for Research Resources (NCRR), discovered what became the first simple pregnancy test--the immunoassay for the presence of human chorionic gonadotrophin (hCG) in urine. She quips that her name isn't on the test because no one can spell it.

During her highly successful and productive clinical research career, which includes publication of more than 150 papers, she has had four publications selected as Citation Classics--including the paper on developing specific antisera (which led to the hCG immunoassay). "I think she's been an outstanding physician-scientist who has made many important contributions in the field of reproductive biology," says Aram Chobanian, dean of the Boston University School of Medicine. ...

Interested in reading more?

Become a Member of

The Scientist Logo
Receive full access to digital editions of The Scientist, as well as TS Digest, feature stories, more than 35 years of archives, and much more!
Already a member? Login Here

Meet the Author

Published In

Share
Illustration of a developing fetus surrounded by a clear fluid with a subtle yellow tinge, representing amniotic fluid.
January 2026

What Is the Amniotic Fluid Composed of?

The liquid world of fetal development provides a rich source of nutrition and protection tailored to meet the needs of the growing fetus.

View this Issue
Human-Relevant In Vitro Models Enable Predictive Drug Discovery

Advancing Drug Discovery with Complex Human In Vitro Models

Stemcell Technologies
Redefining Immunology Through Advanced Technologies

Redefining Immunology Through Advanced Technologies

Ensuring Regulatory Compliance in AAV Manufacturing with Analytical Ultracentrifugation

Ensuring Regulatory Compliance in AAV Manufacturing with Analytical Ultracentrifugation

Beckman Coulter Logo
Skip the Wait for Protein Stability Data with Aunty

Skip the Wait for Protein Stability Data with Aunty

Unchained Labs

Products

Sino Biological Logo

Sino Biological's Launch of SwiftFluo® TR-FRET Kits Pioneers a New Era in High-Throughout Kinase Inhibitor Screening

SPT Labtech Logo

SPT Labtech enables automated Twist Bioscience NGS library preparation workflows on SPT's firefly platform

nuclera logo

Nuclera eProtein Discovery System installed at leading Universities in Taiwan

Brandtech Logo

BRANDTECH Scientific Introduces the Transferpette® pro Micropipette: A New Twist on Comfort and Control