Hysteroscopic metroplasty: term delivery rate after T-shaped uterus surgery

Reproductive outcome after surgical correction of a T-shaped uterus

image of t-shaped-uterus
Hysterosalpingogram of a T-shaped uterus from DES exposure.
After hysteroscopic metroplasty, the pregnancy rate went from 5.5% to 59%.


Term delivery rate after hysteroscopic metroplasty in patients with recurrent spontaneous abortion and T-shaped, arcuate and septate uterus, Gynecologic and obstetric investigation, NCBI PubMed PMID: 21150155, 2011 Dec.

To evaluate the improvement of the term delivery rate after hysteroscopic metroplasty surgery in various uterine malformations.

170 patients were eligible for the present retrospective case series study. Data were weighted for the number of pregnancies observed (n = 218) after surgical intervention, stratified to the number of previous abortions (at least 2) and type of malformation.

Before surgery, the overall term delivery rate was 5.5%. After surgery, the overall term delivery rate was 59% (absolute benefit increase, ABI, was 54.5) and correlated with the number of previous abortions (69.7% ABI = 64.2, 56.5% ABI = 51 and 26.3% ABI = 20.8 for 2, 3-4 and >4 abortions, respectively; p = 0.0008, log-rank test). Data stratified according to uterine malformations yielded the following term delivery rate: 66.7% for T-shaped uterus, 62.8% for septum/partial septum and 55.6% for arcuate uterus (NS, log-rank test). The number of previous abortions and maternal age also affected the term delivery rate. Their effect upon the term delivery rate, expressed as an odds ratio, was 1.73 (95% CI: 1.20-2.49) and 1.11 (95% CI: 1.05-1.18), respectively.

The term delivery rate was about 10-fold higher after surgery. T-shaped uterus surgery yielded the best term delivery rate.

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