The module features the menstrual cycle describing the different changes in a woman’s uterus in different stages of the menstrual cycle. It also shows the relationship between the menstrual cycle and a woman’s potential to reproduce. It relates the preparation of the uterus to the possible conception of a child. It also explains what happens if the egg is not fertilized by a sperm resulting to the discharge of blood during menstruation.

The DOST Courseware is a locally-produced, all-original Filipino highly interactive multimedia educational resource packages available both in Windows and Android versions, conceptualized, digitized and produced as spearheaded by the Science Education Institute (SEI-DOST) in partnership with the Advanced Science and Technology Institute (ASTI-DOST) and in cooperation with the Department of Education (DepEd), Philippine Normal University (PNU) and University of the Philippines-National Institute for Science and Mathematics Education (UP-NISMED), which primary goal is to develop information and communication technology learning innovation to support the upgrading and improvement of science and mathematics education in the country. The DOST Courseware are provided for free to schools and are also made available online as supplemental resources for teachers and student as an interactive approach to e-learning and blended learning.