Yes, I actually had this experience, myself. It started when my second child was just over a year (I had already nursed his brother for 2+ years without this feeling). It was always very fleeting. I would feel very deeply sad and think how I really didn't feel like eating. No strong nausea, just that thought. It started within a minute of latching and only lasted for 30 seconds or so.
It continued until he weaned at 3+ years. It started again when I had my daughter and lasted until she weaned at 4+ years. I didn't even figure out what it was until a couple years ago when I heard that others were experiencing it and had given it a name. Dysphoric Milk Ejection Reflex http://www.d-mer.org/Home_Page.html .
Some moms experience DMER far more severely than I did. For some, the feelings are close to suicidal and very difficult to handle. I feel like I was lucky that it wasn't that severe for me.
Laura Spitzfaden, LLLL, IBCLC
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