Baby Center has launched their "Booty Caller" text alert service with ovulation alerts and fertility information sent to cell phones as reminders.
Their website suggests, "We'll tell you when, you decide where."
Subscribers Receive a series of 18 text messages (3 per menstrual cycle) that inform them know when they are most likely to be fertile and provide helpful fertility advice.
After the subscriber enters her phone number sample text messages include:
"Your fertile window opens today and lasts 5 more days. Stress can
get in the way of conception so relax and get a massage, meditate, or
take a yoga class."
"Today is your last fertile day! If you get pregnant during this cycle, your due date will be on or around 6.25.2009."