The mechanism of pregnancy and labor affecting pelvic organ prolapse

The mechanism of pregnancy and labor affecting pelvic organ prolapse - The mechanism of pregnancy and labor affecting POP

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000027215

Enrollment

200

Registered

2018-03-01

Start date

2017-08-01

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

Pelvic organ prolapse

Interventions

Measurement of change of pelvic floor by transperineal ultrasonography from the first trimester to postpertum

Eligibility

Sex/Gender

Female

Inclusion criteria

Inclusion criteria: Pregnant women visited to our hospital at the first trimester were enrolled in this study. Informed consent were obtained from all patients.

Exclusion criteria

Exclusion criteria: Previous operation of pelvic organ prolapse, Previous operation of uterus

Design outcomes

Primary

Measure	Time frame
Changes in vaginal wall length by transperineal ultrasonography at the beginning of pregnancy, middle stage, late stage, 1 month postpartum.	—

Secondary

Measure	Time frame
Anatomical changes in the pelvis including inclination of vaginal wall and cystourethral angle. presence or absence of pregnancy complications and changes of cervical length	—

Countries

Japan

Contacts

Public ContactTsuyoshi Ishida

Kawasaki Medical School Department of Obstetrics and Gynecology

k0106142@med.kawasaki-m.ac.jp086-462-1111

Outcome results

None listed

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