By the Christina piercing the canaliculus begins in the skin fold of the upper convergent outer labia and steps out at the mons veneris, which isn´t possible by every woman due to anatomic reasons.
This piercing belongs to the surface piercings and accordingly it must be stitched deep enough so it don´t get to complications during the healing.
Further you should take care of correct clothing because on this part the piercing is exposed to a lot of movement and attrition. The Christina piercing has no effect a sexual stimulating charm but only a optical charm. As well as by all genital piercings you should waive on sexual activities during the healing time.
The healing takes 2 to 4 months and for jewellery a banana barbell or a surface barbell is applied.