What do the paramesonephric (Mullerian) ducts develop into?

The paramesonephric (Mullerian) ducts are essential embryological structures in female development. They play a critical role in the formation of several key reproductive organs. Specifically, these ducts develop into the oviducts (also known as fallopian tubes), the uterus, and the upper one-third of the vagina.

During fetal development, the Mullerian ducts appear in both male and female embryos, but they are more prominent in females due to the absence of anti-Müllerian hormone, which is produced by the Sertoli cells in males and causes the regression of these ducts. The oviducts facilitate the transport of eggs from the ovaries to the uterus, while the uterus is where implantation occurs and fetal development takes place. The upper part of the vagina develops from the fusion of the ducts in this region.

In contrast, the other options refer to structures that arise from different embryological origins. For instance, the bladder and distal vagina derive from the urogenital sinus, while the prostate and seminal vesicles are structures that develop from the mesonephric ducts in males. The cervical canal and fallopian tubes are not entirely derived from the same structures; the cervical canal is a part of uterine development, while the concept