Analysis of information sources in references of the Wikipedia article "ห่วงอนามัยคุมกำเนิด" in Thai language version.
Copper ions released from the IUD create an environment that is toxic to sperm, preventing fertilization.14 Copper can also alter the endometrial lining, but studies show that this alteration can prevent implantation, but not disrupt implantation
the intrauterine device, or IUD (sometimes called a coil)
the intrauterine device, or IUD (sometimes called a coil)
Copper ions released from the IUD create an environment that is toxic to sperm, preventing fertilization.14 Copper can also alter the endometrial lining, but studies show that this alteration can prevent implantation, but not disrupt implantation