How does a mother contact her adopted daughter?

A mother can contact her adopted daughter through various means, depending on their current relationship and communication preferences. If they have maintained any form of contact, she can reach out via phone, email, or social media. If they are not in touch, she might consider sending a letter to the agency that facilitated the adoption, requesting assistance in reconnecting. It's important for her to approach the situation with sensitivity and respect for her daughter's feelings and boundaries.