T-shaped uterus T-shaped uterus A t-shaped uterus is a type of uterine malformation wherein the uterus is shaped resembling the letter T. This is typically observed in DES-exposed women. It is recognised in the ESHRE/ESGE classification, and is associated with failed implantation, increased risk of ectopic pregnancy, miscarriage and preterm delivery. There is a surgical procedure to correct the malformation. The t-shaped malformation is commonly associated with in-utero exposure (the so-called "DES-daughters") to DES, although it is also presented congenitally. Women are often diagnosed with this condition after several failed pregnancies, proceeded by exploratory diagnostic procedures, such as magnetic resonance, sonography, and
Tool the term "tool" loosely to many things that are means to an end (e.g., a fork), strictly speaking an object is a tool only if, besides being constructed to be held, it is also made of a material that allows its user to apply to it various degrees of force. If repeated use wears part of the tool "down" (like a knife blade), it may be possible to restore it; if it wears the tool "out" or breaks it, the tool must be replaced. Thus "tool" falls under the taxonomic category "implement", and is on the same taxonomic rank as