It's been over a decade, but back in the day we used the Malem brand alarm and it worked extremely well. It was wired (no wireless option back then) and clipped to the crotch of the underwear and the alarm pack attached to the waistband. Best $$$ I ever spent.
Mom to two amazing DDs ('07 & '09) and a fur baby.
Gluten free since Nov '11 after non-celiac gluten sensitive diagnosis. Have had great improvement or total elimination of: migraines, bloating/distention, heartburn, cystic acne, canker sores, bleeding gums, eczema on elbows, dry skin and scalp, muscle cramps, PMS, hair loss, heart palpitations, fatigue. I'm amazed.