Pain Control for Intrauterine Device Placement Using Paracervical Block

"Drug: 1% Lidocaine Hydrochloride~Injection of 2 mL 1% buffered lidocaine solution at anterior lip of cervix and 18 mL 1% buffered lidocaine solution evenly distributed between 4 o'clock and 8 o'clock positions of cervix with standard 22 gauge spinal needle.~IUD placement then proceeds"

"Drug: 1% Lidocaine Hydrochloride~Injection of 2 mL 1% buffered lidocaine solution at anterior lip of cervix with standard 22 gauge spinal needle. Capped spinal needle is then held against the cervix at 4 o'clock and 8 o'clock positions of cervix, lightly so as not to cause blanching, indentation, or pain.~IUD placement then proceeds"