What are the opposite words for dalkon shield tm?

Dalkon Shield TM was a form of intrauterine contraceptive device that was popular in the 1970s but later withdrawn due to its high risk of causing infections and infertility in women. The opposite of Dalkon Shield TM would be a safe and effective contraceptive device. Some popular antonyms are birth control pills, condoms, diaphragms, and hormone-releasing devices like NuvaRing. Unlike Dalkon ShieldTM, these contraceptive methods are approved by the FDA and have been extensively tested for safety and effectiveness. It is important for women to use reliable contraceptive methods to prevent unwanted pregnancies and reduce the risk of sexually transmitted infections.