Khairudin D, Khalil A. Monochorionic monoamniotic twin pregnancies. Best Pract Res Clin Obstet Gynaecol. 2022;84:96–103. https://doi.org/10.1016/j.bpobgyn.2022.08.004.
Madsen C, Sogaard K, Zingenberg H, Jorgensen FS, Rosbach H, Hoseth E, et al. Outcomes of monoamniotic twin pregnancies managed primarily in outpatient care-a Danish multicenter study. Acta Obstet Gynecol Scand. 2019;98(4):479–86. https://doi.org/10.1111/aogs.13509.
Litwinska E, Syngelaki A, Cimpoca B, Frei L, Nicolaides KH. Outcome of twin pregnancy with two live fetuses at 11–13 weeks’ gestation. Ultrasound Obstet Gynecol. 2020;55(1):32–8. https://doi.org/10.1002/uog.21892.
Article CAS PubMed Google Scholar
Heyborne KD, Porreco RP, Garite TJ, Phair K, Abril D, Obstetrix/Pediatrix Research Study G. Improved perinatal survival of monoamniotic twins with intensive inpatient monitoring. Am J Obstet Gynecol. 2005;192(1):96–101. https://doi.org/10.1016/j.ajog.2004.06.037.
Baxi LV, Walsh CA. Monoamniotic twins in contemporary practice: a single-center study of perinatal outcomes. J Matern Fetal Neonatal Med. 2010;23(6):506–10. https://doi.org/10.3109/14767050903214590.
Benirschke K. The placenta in twin gestation. Clin Obstet Gynecol. 1990;33(1):18–31. https://doi.org/10.1097/00003081-199003000-00006.
Article CAS PubMed Google Scholar
Timmons JD, Dealvarez RR. Monoamniotic twin pregnancy. Am J Obstet Gynecol. 1963;86(7):875–81. https://doi.org/10.1016/s0002-9378(16)35239-5.
Article CAS PubMed Google Scholar
Hack KE, Derks JB, Schaap AH, Lopriore E, Elias SG, Arabin B, et al. Perinatal outcome of monoamniotic twin pregnancies. Obstet Gynecol. 2009;113(2 Pt 1):353–60. https://doi.org/10.1097/AOG.0b013e318195bd57.
Soderhult I, Tiblad E, Herling L. Perinatal outcome in monoamniotic twin pregnancies during a 10-year period: A single center, descriptive study. Arch Gynecol Obstet. 2023;307(1):233–9. https://doi.org/10.1007/s00404-022-06506-3.
Van Mieghem T, De Heus R, Lewi L, Klaritsch P, Kollmann M, Baud D, et al. Prenatal management of monoamniotic twin pregnancies. Obstet Gynecol. 2014;124(3):498–506. https://doi.org/10.1097/AOG.0000000000000409.
Van Mieghem T, Abbasi N, Shinar S, Keunen J, Seaward G, Windrim R, et al. Monochorionic monoamniotic twin pregnancies. Am J Obstet Gynecol MFM. 2022;4(2S):100520. https://doi.org/10.1016/j.ajogmf.2021.100520. Epub 20211030.
Article CAS PubMed Google Scholar
Delabaere A, Bouchet P, Sendy F, Petillon F, Gallot D. Management of monoamniotic twin pregnancies: Where, when, how? J Gynecol Obstet Hum Reprod. 2022;51(1):102232. https://doi.org/10.1016/j.jogoh.2021.102232.
Shub A, Walker SP. Planned early delivery versus expectant management for monoamniotic twins. Cochrane Database Syst Rev. 2015;2015(4):CD008820. https://doi.org/10.1002/14651858.CD008820.pub2.
Article PubMed PubMed Central Google Scholar
Knopman JM, Krey LC, Oh C, Lee J, McCaffrey C, Noyes N. What makes them split? Identifying risk factors that lead to monozygotic twins after in vitro fertilization. Fertil Steril. 2014;102(1):82–9. https://doi.org/10.1016/j.fertnstert.2014.03.039.
Alikani M, Cekleniak NA, Walters E, Cohen J. Monozygotic twinning following assisted conception: An analysis of 81 consecutive cases. Hum Reprod. 2003;18(9):1937–43. https://doi.org/10.1093/humrep/deg369.
Pal A, Montero FJ. Conjoined Twins. StatPearls. Treasure Island (FL)2025.
Glinianaia SV, Rankin J, Khalil A, Binder J, Waring G, Sturgiss SN, et al. Prevalence, antenatal management and perinatal outcome of monochorionic monoamniotic twin pregnancy: A collaborative multicenter study in England, 2000–2013. Ultrasound Obstet Gynecol. 2019;53(2):184–92. https://doi.org/10.1002/uog.19114.
Article CAS PubMed Google Scholar
Unal RBNER. Chap. 32 - Multiple Gestations. In: Obstetrics: Normal and Problem Pregnancies. Seventh Edition. 2017. p. 706–36.
Aston KI, Peterson CM, Carrell DT. Monozygotic twinning associated with assisted reproductive technologies: a review. Reproduction. 2008;136(4):377–86. https://doi.org/10.1530/REP-08-0206.
Article CAS PubMed Google Scholar
Post A, Heyborne K. Managing monoamniotic twin pregnancies. Clin Obstet Gynecol. 2015;58(3):643–53. https://doi.org/10.1097/GRF.0000000000000118.
Marceau K, McMaster MT, Smith TF, Daams JG, van Beijsterveldt CE, Boomsma DI, et al. The prenatal environment in twin studies: a review on chorionicity. Behav Genet. 2016;46(3):286–303. https://doi.org/10.1007/s10519-016-9782-6.
Article PubMed PubMed Central Google Scholar
Lee HS, Abbasi N, Van Mieghem T, Mei-Dan E, Audibert F, Brown R, et al. Guideline No. 440: management of monochorionic twin pregnancies. J Obstet Gynaecol Can. 2023;45(8):587-606 e8. https://doi.org/10.1016/j.jogc.2023.05.018.
Sebire NJ, Souka A, Skentou H, Geerts L, Nicolaides KH. First trimester diagnosis of monoamniotic twin pregnancies. Ultrasound Obstet Gynecol. 2000;16(3):223–5. https://doi.org/10.1046/j.1469-0705.2000.00229.x.
Article CAS PubMed Google Scholar
Fenton C, Reidy K, Demyanenko M, Palma-Dias R, Cole S, Umstad MP. The significance of yolk sac number in monoamniotic twins. Fetal Diagn Ther. 2019;46(3):193–9. https://doi.org/10.1159/000496204.
Liberty G, Reyzer SM, Shenhav S, Anteby EY, Cohen SM, Yagel S. Ultrasound diagnosis of first trimester umbilical cord entanglement in monochorionic monoamniotic twins - case report and review of the literature. BMC Pregnancy Childbirth. 2024;24(1):801. https://doi.org/10.1186/s12884-024-06962-6.
Article PubMed PubMed Central Google Scholar
Glinianaia SV, Rankin J, Wright C. Congenital anomalies in twins: a register-based study. Hum Reprod. 2008;23(6):1306–11. https://doi.org/10.1093/humrep/den104.
Article CAS PubMed Google Scholar
Homatter C, Robillard PY, Omarjee A, Schweizer C, Boukerrou M, Cuillier F, et al. Discordant malformations in monochorionic twins: a retrospective cohort study in La Reunion Island. J Matern Fetal Neonatal Med. 2020;33(24):4069–75. https://doi.org/10.1080/14767058.2019.1594767.
Lai H, Zhu H, Zhang J, Xiao J, Liu M, Liu D, et al. Individualized intervention and growth dynamics assessment in TRAP sequence with conjoined twins based on radiofrequency ablation. BMC Pregnancy Childbirth. 2025;25(1):584. https://doi.org/10.1186/s12884-025-07658-1.
Article PubMed PubMed Central Google Scholar
Overton TG, Denbow ML, Duncan KR, Fisk NM. First-trimester cord entanglement in monoamniotic twins. Ultrasound Obstet Gynecol. 1999;13(2):140–2. https://doi.org/10.1046/j.1469-0705.1999.13020140.x.
Article CAS PubMed Google Scholar
Aisenbrey GA, Catanzarite VA, Hurley TJ, Spiegel JH, Schrimmer DB, Mendoza A. Monoamniotic and pseudomonoamniotic twins: sonographic diagnosis, detection of cord entanglement, and obstetric management. Obstet Gynecol. 1995;86(2):218–22. https://doi.org/10.1016/0029-7844(95)00130-j.
Article CAS PubMed Google Scholar
Ritossa M, O’Loughlin J. Monoamniotic twin pregnancy and cord entanglement: a clinical dilemma. Aust N Z J Obstet Gynaecol. 1996;36(3):309–12. https://doi.org/10.1111/j.1479-828x.1996.tb02717.x.
Comments (0)