Effects of skipping breakfast on ovarian and vascular endothelial function in young healthy women

Relationship between eating habits and ovarian function - DHOF

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000048218

Enrollment

Registered

2022-07-01

Start date

2022-07-31

Completion date

Unknown

Last updated

2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

young healthy female

Interventions

Consume breakfast daily

Eligibility

Sex/Gender

Female

Inclusion criteria

Inclusion criteria: Healthy women skipping breakfast

Exclusion criteria

Exclusion criteria: nothing in particular

Design outcomes

Primary

Measure	Time frame
1.Vascular endothelial function test (flow mediated dilation: FMD) during menstrual period 2.Changes in blood estrogen levels (menstrual phase, follicular phase, and luteal phase) before and after improvement of dietary habits	—

Secondary

Measure	Time frame
1)Height, weight, BMI 2) Autonomic nervous system function (LF, HF) during menstrual period: ECG R-R interval change 3) Brain activity measurement (Brain Index) during menstrual period: NIRS (optical topography) 4) Basal body temperature change 5) Anxiety, depression, and other 10-item questionnaire (EPDS) score	—

Countries

Japan

Contacts

Public ContactHiromi Suenaga

Yamaguchi University Graduate School Graduate School of Medicine

hiro1204@yamaguchi-u.ac.jp0836-22-2133

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026