Should I ask this to my sister in law?

My sister in law almost never talks to me, and ever since I got married to my husband (11 months ago) she barely responds to my texts, and never initiates talking to me. She even ignores my posts on social media and my messages in the family group chat. I want to text her and ask her if I did something wrong. Should I?

Should I ask this to my sister in law?
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