A trimpot or trimmer potentiometer is a small potentiometer which is used for adjustment, tuning and calibration in circuits. When they are used as a variable resistance (wired as a rheostat) they are called preset resistors.
Gynecologists specialize in the female reproductive system, but also care for women's overall health. A gynecologist is a doctor who treats medical conditions and diseases that affect women and their reproductive organs. (Gynecologists are also trained in obstetrics-the care of women during pregnancy and childbirth, which overlaps with gynecology.) 2.
An OB/GYN is a doctor specializing in the care of women and their reproductive health. Obstetrics deals specifically with pregnancy and birth and gynecology involves care of the female reproductive system outside of pregnancy. Your obstetrician will guide you through the entire pregnancy.