m0useanswered grow question 6 months ago No all female. That is a swollen calyx and its normal.
Male pollen sacks also referred to as "balls" are not teardrop shaped, more like a pod or football and they hang off of a tiny tinny little branch. They do not have trichomes on them and they do not have pistils coming out of them.
If you google "female vs male cannabis flower" it will give you some better visuals from it.