Congenital Uterine Anomalies
	Arrested Mullerian Duct Development. Bilateral = Uterine aplasia. Unilateral = Unicornuate uterus (uterus unicornis unicollis). Solitary uterine cavity and single fallopian tube	Total / Partial failure of Mullerian Duct Development. Uterine didelphis (complete duplication). 2 uteri, 2 cervices, 2 vaginas. Bicornuate uterus - Bicollis (2 uterine horns, 2 cervices and 1 vagina) Unicollis (2 uterine horns, 1 cervix and 1 vagina).
	Non-resorption of sagittal uterine septum. Total (Uterine septus). Partial (Uterine subseptus) / * Arcuate.	Inadequate hormonal stimulation during fetal development. Infantile uterus. Uterine hypoplasia. T shaped uterus (15% of women exposed to DES).
	W – measurement of uterine width F – Fundal distortion C – Length of unaffected uterine cavity	Salim R et .al. Reporoducibilty of three dimensional ultrasound diagnosis Of congemital uterine anomalies. Ultrasound Obstet Gynecol 2003;21:578-582
Uterine morphology	Contour of fundus	External contour
Normal	Straight or convex	Convex or Straight Indentation < 10 mm
Arcuate	Concave fundal indentation Central point of indentation at obtuse angle (>90 ^0)	Convex Indentation < 10 mm
Subseptate	Septum which does not extend to cervix Central point of septum at acute angle (<90^0)	Convex Indentation < 10 mm
Septate	Uterine septum completely divides cavity from fundus to cervix	Convex Indentation < 10 mm
Bicornuate	Two well formed cornu	Fundal indentation > 10mm dividing two cornu
Unicornuate	Single well formed uterine cavity with a single interstitial portion of Fallopian tube Concave fundal contour	Fundal indentation > 10 mm dividing two cornu if rudimentary horn present
Didelphis	Two uteri Two cervices Two vaginas
T - shaped

Acquired
Link to Myomas (fibroids) versus Uterine contraction.
Previous Cesarean Section
Aschermans Syndrome.
Intrauterine contraceptive device (IUCD) and pregnancy.
Ovarian dermoid during pregnancy