Evidence map›Paper›PMID 38163009›Full record

ArticleReproductive medicine and biology

Assisted reproductive technology in Japan: A summary report for 2021 by the Ethics Committee of the Japan Society of Obstetrics and Gynecology.

Yukiko Katagiri, Seung Chik Jwa, Akira Kuwahara, Takeshi Iwasa, Masanori On, Keiichi Kato, Hiroshi Kishi, Yoshimitsu Kuwabara, Fuminori Taniguchi, Miyuki Harada and 2 more

Abstract read
In one paragraph

Article in Reproductive medicine and biology. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 26 papers.

0numbers the graph read from it
0cells of the map it votes in
26citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

26 citing papers in PubMed.

  1. Observational
  2. Review
  3. Article
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  5. Article
  6. Assisted reproductive technology trends in Korea: Annual report for 2022.Clinical and experimental reproductive medicine · 2025
    Article
  7. Review
  8. Article
  9. Increased rate ofbioRxiv : the preprint server for biology · 2025
    Article
  10. Article
  11. Article
  12. Review
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

12 authors.

Yukiko KatagiriDepartment of Obstetrics and Gynecology, Faculty of Medicine Toho University Tokyo Japan.ORCID https://orcid.org/0000-0002-0052-896X
Seung Chik JwaDepartment of Obstetrics and Gynecology Jichi Medical University Tochigi Japan.ORCID https://orcid.org/0000-0002-8815-5714
Akira KuwaharaDepartment of Obstetrics and Gynecology, Graduate School of Biomedical Sciences Tokushima University Tokushima Japan.
Takeshi IwasaDepartment of Obstetrics and Gynecology, Graduate School of Biomedical Sciences Tokushima University Tokushima Japan.ORCID https://orcid.org/0000-0003-1014-5687
Masanori OnDepartment of Obstetrics and Gynecology Tokyo Medical University Tokyo Japan.
Keiichi KatoKato Ladies Clinic Tokyo Japan.
Hiroshi KishiDepartment of Obstetrics and Gynecology The Jikei University School of Medicine Tokyo Japan.ORCID https://orcid.org/0000-0003-1562-410X
Yoshimitsu KuwabaraDepartment of Obstetrics and Gynecology Nippon Medical School Tokyo Japan.ORCID https://orcid.org/0000-0002-1622-4063
Fuminori TaniguchiDepartment of Obstetrics and Gynecology Tottori University Faculty of Medicine Tottori Japan.ORCID https://orcid.org/0000-0001-6922-0632
Miyuki HaradaDepartment of Obstetrics and Gynecology, Graduate School of Medicine The University of Tokyo Tokyo Japan.ORCID https://orcid.org/0000-0003-1071-5600
Akira IwaseDepartment of Obstetrics and Gynecology Gunma University Graduate School of Medicine Maebashi Japan.ORCID https://orcid.org/0000-0002-0031-884X
Yutaka OsugaDepartment of Obstetrics and Gynecology, Graduate School of Medicine The University of Tokyo Tokyo Japan.ORCID https://orcid.org/0000-0002-6660-1066

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Purpose: The Japan Society of Obstetrics and Gynecology (JSOG) registry gathers comprehensive data from registered assisted reproductive technology (ART) facilities in Japan. Herein, we report 2021 ART cycle characteristics and outcomes. Methods: Descriptive statistics were used to summarize and analyze 2021 data. Results: In 2021, 625 ART facilities participated in the registry; 27 facilities did not conduct ART cycles and 598 registered treatment cycles. In total, 498 140 cycles were registered, and there were 69 797 neonates (increases of 10.7% and 15.5%, respectively, from the previous year). The number of freeze-all in vitro fertilization (IVF) and intracytoplasmic sperm injection (ICSI) cycles decreased in 2021; the number of neonates born was 2268 for IVF-embryo transfer (ET) cycles and 2850 for ICSI cycles. Frozen-thawed ET (FET) cycles increased markedly from 2020 (11.2% increase). In 2021, 239 428 FET cycles were conducted, resulting in 87 174 pregnancies and 64 679 neonates. For fresh transfers, the total single ET, singleton pregnancy rate, and singleton live birth rates were 82.7%, 97.0%, and 97.3%; for FET, these rates were 84.9%, 96.9%, and 97.1%. Conclusions: The 2021 Japanese ART registry analysis showed marked increases in both total treatment cycles and live births from the previous year.

Indexed as

assisted reproductive technologiesfertility rateintracytoplasmic sperm injectionsin vitro fertilizationJapan

Identifiers

PMID38163009
PMCPMC10757097

What OpenQuestion holds

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.