Okay, so you know how sperm morphology is all about shape and size? Well, it's not just about being normal or abnormal - there are actually different types of abnormal sperm. Like, some sperm might have two heads or two tails - it's like they're trying to be double trouble!
Normal and head defects spermatozoon. Semen analysis vector. Sperm
And get this - sperm morphology can even be affected by stress! When guys are stressed out, their sperm can get a little mixed up. It's like their sperm are all, "Hey, dude, I don't know what's going on - just go with it!"