unlearn shame. all forms of shame: unemployment, illness, vulnerability, longing, desire, errors, failures. you do not need to feel ashamed of what you are experiencing or living. freedom and shame cannot coexist.
Your daughter just got her first period.
Do not tell her she is a woman now.
Tell her what estrogen does.
Tell her what progesterone does.
Tell her her cycle has four phases and each one will feel different.
Give her information. Not a new identity.