Baby dropping this early?

I'll be 32 weeks on thursday, and I've always had a feeling my little one would be a little early since he always measures above average. But now I'm worried that he dropped, or maybe is dropping? My husband pointed out (with no prompt from me asking either!) That my bump looked lower. That was a couple days ago. I also noticed an increase in urine frequency. Like I'm talking I'm drinking mostly the same amount of liquid, but I feel like I'm peeing smaller amounts, much more frequently. Sometimes when I walk, I feel like he's so low and I just have this pressure and cramps on my pelvis and lower abdomen. Oh, and i havent really had problems with constipation this whole time, until these last couple days.. Am I just looking for signs, or could these really be signs that he dropped this early??