Effect of pre-vitrification embryo shrinkage on the pregnancy rate: a prospective cohort study

Effect of pre-vitrification embryo shrinkage on the pregnancy rate: a prospective cohort study - Effect of pre-vitrification embryo shrinkage on the pregnancy rate: a prospective cohort study

Status

Recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000039264

Enrollment

500

Registered

2020-01-27

Start date

2018-06-01

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

Sterility

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Healthy patients

Exclusion criteria

Exclusion criteria: Oligozoospermia

Design outcomes

Primary

Measure	Time frame
Ongoing pregnancy	—

Countries

Japan

Contacts

Public ContactMasao Murakami

Kuramoto Women's Clinic Research Laboratory

ittensan@icloud.com092-482-5558

Outcome results