None or not sure
100%
Out of the 15 reviews for levosert coil, 0 people (0%) reported headaches.
Data is taken from self reported Lowdown user reviews
67% of levosert coil reviewers reported period like cramps
40% of levosert coil reviewers reported tender breasts
33% of levosert coil reviewers reported sweating more than usual
27% of levosert coil reviewers reported vaginal discharge
27% of levosert coil reviewers reported breast enlargement