عنوان مقاله [English]
It is necessary to determine due date in high risk pregnancies; in the other words, one of the important issues in pregnancy care is to estimate the pregnancy' citrine date. This survey was conducted to design and implement an educational software for determination the pregnancy age based on ultrasound and last menstrual period. It has been produced in three phase; after assessing female staff' needs, design and application of entering ultrasound's date and determining the pregnancy age according to week and day information was performed . An additional advantage was to be utilized by general people and its increase speed and accuracy. Considering increase population policy in today’s society, this program would be possible to plan and calculate newborn date and due discharge date as well as its needless of traditional pen and pape method against to its usable digital and electronic application. Therefore, this modern technique leads to the cure quality improvement and the wasted ime prevention and, in total, it would promote the public health too.