Müllerian anomalies and impact on fertility

Condition	% among Müllerian malformations	Impact on fertility
Septate uterus	>30%	Approximately 40% miscarriage rate
Bicornuate uterus	25%	35% miscarriage rate
Unicornuate uterus	20%	30% miscarriage rate 50% reduction in LBR
Didelphys uterus	20%	30% miscarriage rate 50% reduction in LBR
T-shaped uterus and hypoplastic uterus	<5%	80 to 90% reduction in LBR

LBR: live birth rate.

Data from:

Grimbizis GF, Camus M, Tarlatzis BC, et al. Clinical implications of uterine malformations and hysteroscopic treatment results. Hum Reprod Update 2001; 7:161.
Saravelos SH, Cocksedge KA, Li TC. Prevalence and diagnosis of congenital uterine anomalies in women with reproductive failure: a critical appraisal. Hum Reprod Update 2008; 14:415.
Taylor E, Gomel V. The uterus and fertility. Fertil Steril 2008; 89:1.
Galliano D, Bellver J, Diaz-Garcia C, et al. ART and uterine pathology: How relevant is the maternal side for implantation? Hum Reprod Update 2015; 21:13.
Kupesic S, Kurjak A, Skenderovic S, Bjelos D. Screening for uterine abnormalities by three-dimensional ultrasound improves perinatal outcome. J Perinat Med 2002; 30:9.

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