Ectopic pregnancy results from a delay in the passage of the fertilized ovum through Fallopian tube. This delay can result from anatomical abnormalities of the tubes, such as constriction and false passage formation (e.g. diverticulum), or from tubal dysfunction as altered contractility or abnormal ciliary activity.
The EDCA is an agreement between the Philippines and the United States which is envisioned to advance the implementation of the PH-US Mutual Defense Treaty (MDT).
This article is about the chemical. For the medication, see Sodium calcium edetate. Ethylenediaminetetraacetic acid (EDTA), also known by several other names, is a chemical used for both industrial and medical purposes. It is an aminopolycarboxylic acid and a colourless, water-soluble solid.