«We are pleased to announce the official release of new software for the Palm and PCs for charting the Billings Ovulation Method,» Sue Ek, executive director of the Billings Ovulation Method Association-USA, said in a press statement today.
«The software has been approved by Drs. John and Lyn Billings,» the announcement added.
More details are available at www.simlsystems.com.