- ICH GCP
- US Clinical Trials Registry
- Klinisk utprøving NCT07676682
INVESTIGATİON OF THE EFFECT OF PASSIVE UTERINE STRAIGHTENING WITH A FULL BLADDER IN COMBINATION WITH TRANSABDOMINAL ULTRASONOGRAPHY ON PREGNANCY RATES IN INTRAUTERINE INSEMINATION: A PROSPECTIVE COHORT STUDY
24. juni 2026 oppdatert av: Mustafa YILMAZ, Firat University
In this prospective study, we aimed to compare the pregnancy outcomes of a classic blind IUI procedure with an empty bladder with a transabdominal ultrasound-guided IUI procedure where the cervicouterine angle was flattened by using a full bladder.
Studieoversikt
Status
Fullført
Forhold
Intervensjon / Behandling
Detaljert beskrivelse
Intrauterine artificial insemination (IUI) is a procedure in which prepared sperm is placed into the uterine cavity via a catheter to help couples undergoing treatment for unexplained infertility to conceive.
Many factors influence the success of IUI.
In this prospective study, we aimed to compare the pregnancy outcomes of a classic blind IUI procedure with an empty bladder with a transabdominal ultrasound-guided IUI procedure where the cervicouterine angle was flattened by using a full bladder.
This prospective study was conducted at the Firat University Infertility Clinic between 2021 and November 2022.
The study included a total of 340 cases diagnosed with unexplained infertility who underwent gonadotropin induction and completed the study.
Group 1 (n=169) = Group that underwent blind IUI with an empty bladder, Group 2 (n=171) = Group that underwent IUI with a full bladder under transabdominal ultrasound guidance.
Demographic, laboratory, radiological, ovulation induction procedure, and pregnancy outcomes were compared between the two groups.
When comparing the two groups, there were no significant differences in age, body mass index (BMI), basal hormone levels, total antral and dominant follicle count, total motile sperm count, and total gonadotropin dose.
The amount of insemination fluid that overflowed from the uterine cavity was significantly greater in the full bladder group than in the empty bladder group.
However, clinical pregnancy rates were similar in both groups.
Performing the intrauterine insemination procedure with a full bladder under transabdominal ultrasound guidance does not positively affect clinical pregnancy rates, except in terms of ease of procedure.
Studietype
Observasjonsmessig
Registrering (Faktiske)
340
Kontakter og plasseringer
Denne delen inneholder kontaktinformasjon for de som utfører studien, og informasjon om hvor denne studien blir utført.
Studiesteder
-
-
-
Elâzığ, Tyrkia (Türkiye), 23100
- Firat Universty
-
-
Deltakelseskriterier
Forskere ser etter personer som passer til en bestemt beskrivelse, kalt kvalifikasjonskriterier. Noen eksempler på disse kriteriene er en persons generelle helsetilstand eller tidligere behandlinger.
Kvalifikasjonskriterier
Alder som er kvalifisert for studier
- Voksen
Tar imot friske frivillige
N/A
Prøvetakingsmetode
Ikke-sannsynlighetsprøve
Studiepopulasjon
This prospective, randomised, single-centre study was conducted at the Fırat University Department of Obstetrics and Gynaecology, infertility clinic in Elazığ, Turkey, between 01/06/2021 and 03/11/2022.
Beskrivelse
Inclusion criteria:
- The woman is aged between 18 and 39 inclusive.
- Cases with infertility lasting at least 12 months
- The presence of known medical indications for IUI.
- Cases with mild to moderate male factor infertility (cases with a total motile sperm count greater than 5 x 10⁶).
- Cases with ovulatory disorders
- Cases diagnosed with unexplained infertility
- Mixed infertility due to the known causes listed above.
- Patients who have started primary infertility treatment and those who have started secondary infertility treatment.
- Cases where ovarian stimulation was performed with gonadotropins.
- The ability to communicate with the couple verbally or in writing.
Exclusion criteria:
- Cases where unilateral or bilateral tubal passage is absent
- Cases with acute pelvic inflammatory disease
- Male partners who have fewer than 1 million motile sperm in semen analysis
- Endometriosis.
Studieplan
Denne delen gir detaljer om studieplanen, inkludert hvordan studien er utformet og hva studien måler.
Hvordan er studiet utformet?
Designdetaljer
Kohorter og intervensjoner
Gruppe / Kohort |
Intervensjon / Behandling |
|---|---|
|
Empty bladder
In the full bladder group, patients were asked to fill their bladders by drinking water until they felt the need to urinate, thus passively flattening the uterus.
Uterine flattening was determined by transabdominal ultrasonography when the angle was ≥120°.
|
filling and emptying the bladder
|
|
Full bladder
Patients undergoing blind IUI with an empty bladder were asked to empty their bladders by urinating prior to the procedure.
|
filling and emptying the bladder
|
Hva måler studien?
Primære resultatmål
Resultatmål |
Tiltaksbeskrivelse |
Tidsramme |
|---|---|---|
|
Clinical Pregnancy
Tidsramme: two weeks after IUI
|
Women were instructed to perform a blood pregnancy test two weeks after IUI and send the result to our infertility clinic. If the result was positive, clinical pregnancy was confirmed by transvaginal ultrasound in the seventh week of amenorrhoea to verify the development of an appropriate intrauterine pregnancy. |
two weeks after IUI
|
Samarbeidspartnere og etterforskere
Det er her du vil finne personer og organisasjoner som er involvert i denne studien.
Sponsor
Publikasjoner og nyttige lenker
Den som er ansvarlig for å legge inn informasjon om studien leverer frivillig disse publikasjonene. Disse kan handle om alt relatert til studiet.
Generelle publikasjoner
- Kupka MS, Ferraretti AP, de Mouzon J, Erb K, D'Hooghe T, Castilla JA, Calhaz-Jorge C, De Geyter C, Goossens V; European IVF-Monitoring Consortium, for the European Society of Human Reproduction and Embryology. Assisted reproductive technology in Europe, 2010: results generated from European registers by ESHREdagger. Hum Reprod. 2014 Oct 10;29(10):2099-113. doi: 10.1093/humrep/deu175. Epub 2014 Jul 27.
- Zegers-Hochschild F, Adamson GD, Dyer S, Racowsky C, de Mouzon J, Sokol R, Rienzi L, Sunde A, Schmidt L, Cooke ID, Simpson JL, van der Poel S. The International Glossary on Infertility and Fertility Care, 2017. Fertil Steril. 2017 Sep;108(3):393-406. doi: 10.1016/j.fertnstert.2017.06.005. Epub 2017 Jul 29.
- Sicchieri F, Silva AB, Silva ACJSRE, Navarro PAAS, Ferriani RA, Reis RMD. Prognostic factors in intrauterine insemination cycles. JBRA Assist Reprod. 2018 Mar 1;22(1):2-7. doi: 10.5935/1518-0557.20180002.
- Tomas C, Tikkinen K, Tuomivaara L, Tapanainen JS, Martikainen H. The degree of difficulty of embryo transfer is an independent factor for predicting pregnancy. Hum Reprod. 2002 Oct;17(10):2632-5. doi: 10.1093/humrep/17.10.2632.
- Ayas S, Gurbuz A, Ayaz R, Asoglu MR, Selcuk S, Alkan A, Eren S. Efficacy of passive uterine straightening during intrauterine insemination on pregnancy rates and ease of technique. J Obstet Gynaecol Res. 2012 Jan;38(1):291-6. doi: 10.1111/j.1447-0756.2011.01684.x. Epub 2011 Nov 9.
- Alorf F, Alani S, Steiner N, Dahan MH. How successful is intrauterine insemination after failed IVF? A study of 551 women. Reprod Biomed Online. 2024 Mar;48(3):103684. doi: 10.1016/j.rbmo.2023.103684. Epub 2023 Nov 10.
- Wang R, Danhof NA, Tjon-Kon-Fat RI, Eijkemans MJ, Bossuyt PM, Mochtar MH, van der Veen F, Bhattacharya S, Mol BWJ, van Wely M. Interventions for unexplained infertility: a systematic review and network meta-analysis. Cochrane Database Syst Rev. 2019 Sep 5;9(9):CD012692. doi: 10.1002/14651858.CD012692.pub2.
Studierekorddatoer
Disse datoene sporer fremdriften for innsending av studieposter og sammendragsresultater til ClinicalTrials.gov. Studieposter og rapporterte resultater gjennomgås av National Library of Medicine (NLM) for å sikre at de oppfyller spesifikke kvalitetskontrollstandarder før de legges ut på det offentlige nettstedet.
Studer hoveddatoer
Studiestart (Faktiske)
1. juni 2021
Primær fullføring (Faktiske)
3. november 2022
Studiet fullført (Faktiske)
3. november 2022
Datoer for studieregistrering
Først innsendt
24. juni 2026
Først innsendt som oppfylte QC-kriteriene
24. juni 2026
Først lagt ut (Faktiske)
30. juni 2026
Oppdateringer av studieposter
Sist oppdatering lagt ut (Faktiske)
30. juni 2026
Siste oppdatering sendt inn som oppfylte QC-kriteriene
24. juni 2026
Sist bekreftet
1. juni 2026
Mer informasjon
Begreper knyttet til denne studien
Nøkkelord
Andre studie-ID-numre
- 2021/07-16
Plan for individuelle deltakerdata (IPD)
Planlegger du å dele individuelle deltakerdata (IPD)?
NEI
IPD-planbeskrivelse
If needed, the research supervisor can be contacted via email.
Legemiddel- og utstyrsinformasjon, studiedokumenter
Studerer et amerikansk FDA-regulert medikamentprodukt
Nei
Studerer et amerikansk FDA-regulert enhetsprodukt
Nei
produkt produsert i og eksportert fra USA
Nei
Denne informasjonen ble hentet direkte fra nettstedet clinicaltrials.gov uten noen endringer. Hvis du har noen forespørsler om å endre, fjerne eller oppdatere studiedetaljene dine, vennligst kontakt register@clinicaltrials.gov. Så snart en endring er implementert på clinicaltrials.gov, vil denne også bli oppdatert automatisk på nettstedet vårt. .