Intervention study about the number of days from daily breast stimulation start during pregnancy to labor onset.

Intervention study about the number of days from daily breast stimulation start during pregnancy to labor onset. - Study on the number of days from daily breast stimulation pregnancy to labor onset.

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000046001

Enrollment

100

Registered

2021-11-09

Start date

2021-11-07

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

late pregnancy

Interventions

An instruction of nipple-stimulation to pregnant women at 38 weeks gestation

Eligibility

Sex/Gender

Female

Inclusion criteria

Inclusion criteria: Pregnant women of 38 weeks gestation scheduled for vaginal delivery at Kurashiki Central Hospital

Exclusion criteria

Exclusion criteria: Fetuse pre-scheduled to enter the NICU after delivery Multiple pregnancy Abnormal fetal presentation Fetal growth restriction Hypertensive disorder of pregnancy Gestational Diabetes Mellitus Mental disorder merger Polyhydramnios Oligohydramnios Placenta previa or low-lying placenta Previous caesarean section Vaginal birth after uterine artery embolization Mother's history of intrauterine fetal death Mother's history of premature separation of normally implanted placenta Mother who do not speak Japanese Other cases in which an attending gynecologist determine the patient is ineligible for the present study

Design outcomes

Primary

Measure	Time frame
The number of days to labor onset from intervention of breast stimulation one hour per day from 39 to 40 weeks of pregnant women .	—

Secondary

Measure	Time frame
The optimal period of starting introduction by gynecological professionals The recommended time of breast stimulation	—

Countries

Japan

Contacts

Public ContactAnju NAKAZUMI

Ohara Healthcare Foundation, Kurashiki Central Hospital Department of Gynecology

ai15766@kchnet.or.jp086-422-0210

Outcome results

None listed

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