My speaking voice range only changed on the lower part a bit. Mainly it is more breathy and has much less volume in the very low parts, like 90 or 100 Hz, which pre OP was still within a voice range that I could use for speaking. The top of my chest voice did not change, apparently glottoplasty cannot do that, so it is at C4 - 260 Hz in any case. But When speaking I now use head voice quite often for intonations and thats pretty normal for women to do. My head voice lost upper range. Pre OP it was going over 900 Hz, now it is hard to squeeze out anything over 700 Hz. But this upper range is something not many start out with, I guess. The comfortable speaking pitch moved from about 120-140 Hz to 160-190 Hz