this sentence alone could be hard to understand because you need to get the hint of its context out of the sentence. The sentence is basically saying 'the woman thanked" -> "여자는 () 고마워했다. the situation seems like someone cheered the woman up by saying something nice(or any kind of action that could cheer her up). so 'she thanked' that person AND explained why she seemed so depressed. the explanation part is '안 그래도 요즘 기분이 가라앉고 매사에 의욕이 없어 육아 우울증' ~인가 싶었다며 = as if it's something (not a perfect translation but similar) English translated sentence might not be clear but ... "여자는 안 그래도 요즘 기분이 가라앉고 매사에 의욕이 없어 육아 우울증인가 싶었다며 고마워했다." She thanked (the person for cheering her up), saying that she thought as if she were going through maternal depression because she had been in state of depression and motivation-depleted. hmm... I think it's better to give you an example conversation. M: Cheer up! you seem depressed these days W: Thanks.. actually I thought I was undergoing maternal depression since I've been feeling so depressed these days and emotionally depleted : ( ... and that sentence is explaining what she just did(or said) to the M. I was just googling a web to learn Italian and web just came up. if this helped, I'll visit this web time to time and leave comments. hope this helped -Joon