The third guide in the Growing Up series -- version A, for parents of girls and children with vulvas aged 7-12. Covers why preparing children before puberty starts makes a significant difference, all eight physical changes with timing (breast development, periods, body shape, hair, discharge, skin changes, height, mood), a puberty timeline, how to have the conversation at ages 6-8 and 8-10 with word-for-word scripts, the period kit conversation, and how to answer the four questions children most commonly ask. Includes a note on inclusive language and support for trans and non-binary children.