gōngnèijiéyùqì
ㄍㄨㄥ ㄋㄟˋ ㄐㄧㄝˊ ㄩˋ ㄑㄧˋ
Simplified 宫内节育器
Taivo → Settings → Partner inbox → Make the link. It stays in this browser.
Keep 宮內節育器 and it comes back until you know it.