All over the world there are girls who miss a week of school each month because they cannot afford sanitary protection. Women can also miss out on income if they cannot manage their monthly bleed. Check out this article about girls from Zimbabwe here.
Here is how you can help, whether your sew, purchase goods to send, donate materials, or money.
Donatepads.org--they have loads of information, organisations to donate to and patterns
Project Thrive--US based charity, includes information on their work, as well as patterns for pads and wet bags
Sister Hope--this woman has not only distributed pads to schoolgirls in Uganda, but has created a business for women in Uganda to make pads for girls and bags for the rest of us to buy