A Comparative Study of Pregnancy Rates Before and After Insurance Coverage of Assisted Reproductive Treatment (ART) in Japan

A Comparative Study of Pregnancy Rates Before and After Insurance Coverage of Assisted Reproductive Treatment (ART) in Japan - A Comparative Study of Pregnancy Rates Before and After Insurance Coverage of Assisted Reproductive Treatment (ART) in Japan

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000052361

Enrollment

1500

Registered

2023-10-01

Start date

2023-05-28

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

infertility

Interventions

Privately funded embryo transfers, which have been performed prior to insurance coverage (drugs used vary from institution to institution). In this study, Proginova was used for estrogen replacement a

Eligibility

Sex/Gender

Female

Inclusion criteria

Inclusion criteria: (1) under 43 years of age (based on the conditions for ART insurance coverage in Japan), (2) first embryo transfer cycle, (3) frozen-thawed embryo transfer performed with endometrial adjustment using hormone replacement therapy, (3) no previous pregnancy, (4) no uterine malformation (endometrial polyp, bicornuate uterus, uterine myoma/hysterosalpingomyosis > 5 cm, endometrial thinning (5) No known chromosomal abnormality; (6) Written consent for participation in clinical research confirmed.

Exclusion criteria

Exclusion criteria: (1) cases who requested PGT-A, and (2) cases who withdrew their consent to participate in clinical research through procedures after participation in the study.

Design outcomes

Primary

Measure	Time frame
Continuing pregnancy rate at 9 weeks gestation	—

Countries

Japan

Contacts

Public ContactShinnosuke Komiya

HORAC Grand Front Osaka Clinic Gynecology

komiya0703@gmail.com0636778824

Outcome results

None listed

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