Malfoy slumped forward, almost falling on top of her, but he gathered himself at the very last moment and kneeled in front of her, taking his wand from the bedside table. Firstly, he performed a cleaning charm that made her blood and his come disappear from her sex and inner thighs, then he spoke a contraceptive charm – Fertilicae Disruptus – that made a soft yellowish light appear from his wand. It spread down her lower belly, inducing a sensation of warmth there. Hermione only watched him work, too exhausted to do anything.