473
Until we meet again
(files.catbox.moe)
Be sure to follow the rule before you head out.
Rule: You must post before you leave.
Contraceptive implant.
See table under 'Effectiveness':
https://en.wikipedia.org/wiki/Comparison_of_birth_control_methods
Typical use failure rate during first year:
So yeah, an IUD "spiral". AKA "coil" as they are apparently called in English.