need help determing sex

First grow.1 1/2 weeks into flowering. was given 3 plants a 3 weeks old. told they were girls. not sure ow. Read about how to tell, and looked at pics, but can't setermine if what i am getting are balls, or pre-bud areas. Pics attached. Thanks

theres no pix, and wate till you see flowers or buds!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

thank. i just added pic. This is my first thread

I dont see a pic