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Müllerian duct anomalies are those structural anomalies caused by errors in Müllerian duct development as an embryo forms. Factors contributing to them include genetics and maternal exposure to substances that interfere with fetal development. [1] [2] Genetic causes of Müllerian duct anomalies are complicated and uncommon.
A uterine malformation is a type of female genital malformation resulting from an abnormal development of the Müllerian duct(s) during embryogenesis. Symptoms range from amenorrhea, infertility, recurrent pregnancy loss, and pain, to normal functioning depending on the nature of the defect.
Müllerian agenesis, also known as Müllerian aplasia, vaginal agenesis, or Mayer–Rokitansky–Küster–Hauser syndrome (MRKH syndrome), is a congenital malformation characterized by a failure of the Müllerian ducts to develop, resulting in a missing uterus and variable degrees of vaginal hypoplasia of its upper portion.
Anomalies that develop within the paramesonephric duct system continue to puzzle and fascinate obstetricians and gynecologists. The paramesonephric ducts play a critical role in the female reproductive tract and differentiate to form the uterine tubes, uterus, superior vagina as well as the uterine cervix.
Many of these defects are classified under the broader term Müllerian duct anomalies. [2] [4] Müllerian duct anomalies are caused by a disturbance during the embryonic time of genitourinary development. [5] The other isolated incidents of vaginal anomalies can occur with no apparent cause.
A bicornuate uterus is an indication for increased surveillance of a pregnancy, though most women with a bicornuate uterus are able to have healthy pregnancies. [1] Women with a bicornuate uterus are at an increased risk of recurrent miscarriage, [2] [10] preterm birth, [2] [11] malpresentation, [2] [12] disruptions to fetal growth, [13] premature rupture of membranes, placenta previa and ...
Four types of uterine malformations. The uterus is formed during embryogenesis by the fusion of the two paramesonephric ducts (also called Müllerian ducts). This process usually fuses the two Müllerian ducts into a single uterine body but fails to take place in these affected women who maintain their double Müllerian systems.
It is a type of abnormality of the Müllerian ducts. In most cases, OHVIRA presents as a double uterus–either bicorneate or didelphys– with unilateral obstructed (or blind) hemivagina and ipsilateral renal agenesis (or renal anomalies). It can also affect the urethra, urethral sphincter, ureters, bladder and spleen