Postplacental Copper Intrauterine Device Versus Postpartum Progesterone-only Pills on Uterine Niche Formation
NCT ID: NCT07264933
Last Updated: 2025-12-10
Study Results
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Basic Information
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ACTIVE_NOT_RECRUITING
NA
750 participants
INTERVENTIONAL
2025-02-12
2026-02-05
Brief Summary
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Detailed Description
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* Ultrasound Assessment: Two independent, trained sonographers-blinded to each other's findings-perform transvaginal ultrasound examinations in both sagittal and coronal planes. At 3 and 6 months postpartum,intrauterine device displacement is considered if the distance between the dome of the uterine cavity to the upper part of the intrauterine device is \> 3 mm and these participants will be provided with another method of contraception according to their wish and will be excluded from the final analysis . At 3 and 6 months postpartum, a niche is defined as an indentation ≥2 mm in the myometrium at the previous cesarean scar site. At 6 months postpartum uterine niche depth, length, width and residual myometrial thickness are to be recorded .
* Clinical Assessment: A separate obstetrician/gynecologist will collect data on menstrual patterns and breastfeeding initiation and continuation .
Conditions
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Study Design
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RANDOMIZED
PARALLEL
DIAGNOSTIC
NONE
Study Groups
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Postpartum progesterone-only pills
In the control group, participants did not receive an intraoperative intrauterine device . They were instructed to initiate daily oral intake of progesterone-only pills at 4 weeks postpartum and at least 5 days before resuming sexual activity and to continue using it till at least the end of the sixth month postpartum.
Primary Cesarean Section
All lower-segment cesarean sections were performed by qualified obstetricians at Benha University Hospitals who were trained on the study protocol. The standard Kerr technique was used for the uterine incision, followed by double-layer continuous myometrial closure with braided polyglycolic acid 0-1 sutures, with decidual sparing and visceral peritoneal closure.
progesterone-only pills
Participants were instructed to initiate daily oral intake of progesterone-only pills containing 0.03 mg levonorgestrel per pill (Microlut®; Bayer) at 4 weeks postpartum and at least 5 days before resuming sexual activity. The participants were asked to use it continuously at least till the end of the 6th month postpartum. This product is commercially available in Egypt and contains 35 active tablets per pack.
Transvaginal ultrasound
Two independent, trained sonographers-blinded to each other's findings- will perform transvaginal ultrasound examinations in both sagittal and coronal planes. At 3 and 6 months postpartum,intrauterine device displacement is considered if the distance between the dome of the uterine cavity to the upper part of the intrauterine device is \> 3 mm and these participants will be excluded from the final analysis . At 3 and 6 months postpartum, a niche is defined as an indentation ≥2 mm in the myometrium at the previous cesarean scar site. At 6 months postpartum uterine niche depth, length, width and residual myometrial thickness are to be recorded .
Immediate postplacental copper T380A intrauterine device
In the Study group, immediate postplacental insertion of a copper T380A intrauterine device was performed intraoperatively using the standardized intracesarean introducer-withdrawal technique.
Primary Cesarean Section
All lower-segment cesarean sections were performed by qualified obstetricians at Benha University Hospitals who were trained on the study protocol. The standard Kerr technique was used for the uterine incision, followed by double-layer continuous myometrial closure with braided polyglycolic acid 0-1 sutures, with decidual sparing and visceral peritoneal closure.
immediate postplacental insertion of a copper T380A intrauterine device
immediate postplacental insertion of a copper T380A intrauterine device was performed intraoperatively using the standardized intracesarean introducer-withdrawal technique. The intrauterine device introducer with the intrauterine device threads inside is trimmed to 12 cm. The uterus is held and stabilized with the non-dominant hand, and the introducer is inserted first downwards through the cervical canal before pushing it up to put it firmly against the endometrium of the uterine fundus. Then, it is pulled gently down through the cervical canal to the vagina while pressing on the fundus with the non-dominant hand, thus ensuring that the intrauterine device is kept at the fundus and that the intrauterine device threads are in the cervical canal. the introducer is removed gently manually from the vagina at the end of the cesarean section after closure of the skin and ceiling of the wound .
Transvaginal ultrasound
Two independent, trained sonographers-blinded to each other's findings- will perform transvaginal ultrasound examinations in both sagittal and coronal planes. At 3 and 6 months postpartum,intrauterine device displacement is considered if the distance between the dome of the uterine cavity to the upper part of the intrauterine device is \> 3 mm and these participants will be excluded from the final analysis . At 3 and 6 months postpartum, a niche is defined as an indentation ≥2 mm in the myometrium at the previous cesarean scar site. At 6 months postpartum uterine niche depth, length, width and residual myometrial thickness are to be recorded .
Interventions
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Primary Cesarean Section
All lower-segment cesarean sections were performed by qualified obstetricians at Benha University Hospitals who were trained on the study protocol. The standard Kerr technique was used for the uterine incision, followed by double-layer continuous myometrial closure with braided polyglycolic acid 0-1 sutures, with decidual sparing and visceral peritoneal closure.
immediate postplacental insertion of a copper T380A intrauterine device
immediate postplacental insertion of a copper T380A intrauterine device was performed intraoperatively using the standardized intracesarean introducer-withdrawal technique. The intrauterine device introducer with the intrauterine device threads inside is trimmed to 12 cm. The uterus is held and stabilized with the non-dominant hand, and the introducer is inserted first downwards through the cervical canal before pushing it up to put it firmly against the endometrium of the uterine fundus. Then, it is pulled gently down through the cervical canal to the vagina while pressing on the fundus with the non-dominant hand, thus ensuring that the intrauterine device is kept at the fundus and that the intrauterine device threads are in the cervical canal. the introducer is removed gently manually from the vagina at the end of the cesarean section after closure of the skin and ceiling of the wound .
progesterone-only pills
Participants were instructed to initiate daily oral intake of progesterone-only pills containing 0.03 mg levonorgestrel per pill (Microlut®; Bayer) at 4 weeks postpartum and at least 5 days before resuming sexual activity. The participants were asked to use it continuously at least till the end of the 6th month postpartum. This product is commercially available in Egypt and contains 35 active tablets per pack.
Transvaginal ultrasound
Two independent, trained sonographers-blinded to each other's findings- will perform transvaginal ultrasound examinations in both sagittal and coronal planes. At 3 and 6 months postpartum,intrauterine device displacement is considered if the distance between the dome of the uterine cavity to the upper part of the intrauterine device is \> 3 mm and these participants will be excluded from the final analysis . At 3 and 6 months postpartum, a niche is defined as an indentation ≥2 mm in the myometrium at the previous cesarean scar site. At 6 months postpartum uterine niche depth, length, width and residual myometrial thickness are to be recorded .
Other Intervention Names
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Eligibility Criteria
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Inclusion Criteria
* express a desire for postpartum contraception.
* acceptance to participate and to provide written informed consent
* willing to attend follow-up for 6 months postpartum.
Exclusion Criteria
* Chorioamnionitis
* Premature rupture of membranes \> 24 hours
* Previous uterine surgery
* Cervical dysplasia
* Uterine fibroids
* Multiple gestation
* Placenta previa or placental abruption
* Preeclampsia or eclampsia
* Hemoglobin \< 10 g/dL
* Any uncontrolled systemic disease
* Current tobacco use
* Chronic corticosteroid therapy
* Inability to provide informed consent
18 Years
45 Years
FEMALE
No
Sponsors
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Benha University
OTHER
Responsible Party
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Ahmed Abdel Latif Ahmed Alnezamy
Lecturer of Obstetrics and Gynecology, Faculty of Medicine
Principal Investigators
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AHMED ALNEZAMY, MD
Role: PRINCIPAL_INVESTIGATOR
Lecturer of Obstetrics and Gynecology, Faculty of Medicine, Benha University
Locations
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Benha Univesity Hospital
Banhā, Qalyubia Governorate, Egypt
Countries
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References
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Committee on Practice Bulletins-Gynecology, Long-Acting Reversible Contraception Work Group. Practice Bulletin No. 186: Long-Acting Reversible Contraception: Implants and Intrauterine Devices. Obstet Gynecol. 2017 Nov;130(5):e251-e269. doi: 10.1097/AOG.0000000000002400.
Wu M, Eisenberg R, Negassa A, Levi E. Associations between immediate postpartum long-acting reversible contraception and short interpregnancy intervals. Contraception. 2020 Dec;102(6):409-413. doi: 10.1016/j.contraception.2020.08.016. Epub 2020 Sep 10.
Jordans IPM, de Leeuw RA, Stegwee SI, Amso NN, Barri-Soldevila PN, van den Bosch T, Bourne T, Brolmann HAM, Donnez O, Dueholm M, Hehenkamp WJK, Jastrow N, Jurkovic D, Mashiach R, Naji O, Streuli I, Timmerman D, van der Voet LF, Huirne JAF. Sonographic examination of uterine niche in non-pregnant women: a modified Delphi procedure. Ultrasound Obstet Gynecol. 2019 Jan;53(1):107-115. doi: 10.1002/uog.19049.
Klein Meuleman SJM, Min N, Hehenkamp WJK, Post Uiterweer ED, Huirne JAF, de Leeuw RA. The definition, diagnosis, and symptoms of the uterine niche - A systematic review. Best Pract Res Clin Obstet Gynaecol. 2023 Aug;90:102390. doi: 10.1016/j.bpobgyn.2023.102390. Epub 2023 Jul 15.
Doulaveris G, Jou J, Leung WK, Bircaj E, Orfanelli T, Atrio J, Dar P, Rotenberg O. Association of Intrauterine Device Malposition With Previous Cesarean Delivery and Related Uterine Anatomical Changes. J Ultrasound Med. 2024 Jun;43(6):1121-1129. doi: 10.1002/jum.16440. Epub 2024 Feb 29.
Seleem M, Sedik MM, Megahed AMM, Nabil H. Conventional manual technique of post placental IUD insertion versus intra-cesarean post placental introducer withdrawal IUD insertion technique: a new standardized technique for IUD insertion during cesarean section: a randomized controlled trial. BMC Pregnancy Childbirth. 2023 Jun 26;23(1):474. doi: 10.1186/s12884-023-05777-1.
Osser OV, Jokubkiene L, Valentin L. Cesarean section scar defects: agreement between transvaginal sonographic findings with and without saline contrast enhancement. Ultrasound Obstet Gynecol. 2010 Jan;35(1):75-83. doi: 10.1002/uog.7496.
Levi EE, Stuart GS, Zerden ML, Garrett JM, Bryant AG. Intrauterine Device Placement During Cesarean Delivery and Continued Use 6 Months Postpartum: A Randomized Controlled Trial. Obstet Gynecol. 2015 Jul;126(1):5-11. doi: 10.1097/AOG.0000000000000882.
Other Identifiers
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RC12-2-2025
Identifier Type: -
Identifier Source: org_study_id
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