Why is it so unpredictable?
Help your daughters prepare for puberty by enrolling them in a new study called A Girl’s First Period - Why Is It So Unpredictable?
Who Can Participate?
- Girls 8 -14 years old
- Have some breast development
What Is Required?
- Parent or guardian must consent for the study, and a parent or guardian must be present at all study visits
- An initial screening visit at the Clinical Research Unit, with occasional visits every six months
- Finger prick and urine tests to measure hormones
- Ultrasounds of the abdomen to look at the ovaries and uterus
What are the advantages for participants?
- Quick and easy tracking of menstrual cycles
- Educational materials
- Health assessment and consultation with a female pediatrician
- Compensation for participants after completing each set of visits
Who Is Running the Study?
A team, led by pediatrician and hormone specialist Natalie Shaw, M.D., at the National Institute of Environmental Health Sciences Clinical Research Unit.
Lead Researcher
Natalie D. Shaw, M.D., MMSc.
natalie.shaw@nih.gov
Natalie D. Shaw, M.D., M.M.Sc. received a B.S. from Cornell University, an M.D. from the State University of New York (SUNY) at Buffalo, and a Masters in Medical Sciences (MMSc) from Harvard Medical School. She completed her pediatrics residency at Children's Hospital of Pittsburgh, a pediatric endocrinology fellowship at Boston Children's Hospital, and a clinical research fellowship in the Reproductive Endocrine Unit at Massachusetts General Hospital.
In 2015, Shaw was one of five junior researchers selected as a Lasker Clinical Research Scholar by the National Institutes of Health. The Lasker program is a joint partnership between the NIH and the Lasker Foundation designed to support a small number of exceptional clinical researchers in the early stages of their careers. Its goal is to promote the development of physician-scientists as they transition to fully independent positions. When Shaw joined NIEHS in September 2015, she became the first Lasker Scholar in the history of the institute.
Research Webpage
For More Information About This Study
- Call: 1‑855‑MYNIEHS (1‑855‑696‑4347)
- Email: MyNiehs@nih.gov
- Protocol Number: 19-E-0110
- Study Background and Protocols
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