They are holocrine because the plasma membrane is broken releasing the secretion. In the sebaceous glands the sebum released contain dead cells, those cells could be looked at the duct and in the sebum.
The sweat glands might be holocrine and apocrine. the holocrine are in the hands, feet and frontal face. The dead cells can be found in the sweat and in the ducts of the glands.
When a women is going on labor she must be having contracting a every 5 to 10 min and be 10 cm dilated. So probably just false alarm labor but is comming soon