The present invention provides several devices and methods for determining dimensions of female reproductive organs. In one embodiment, a device for determining a dimension of a female reproductive organ includes a hollow member having a distal end, a proximal end, and a lumen, a measurement member insertable into the lumen of the hollow member and having a distal portion, a proximal portion, and a measurement scale disposed along the proximal portion, a substantially translucent flange attached to the distal end of the hollow member and having a body offset from the hollow member, an opening for advancement of the measurement member there through, and a measurement scale on the body, and a light element placed within the distal portion of the measurement member.
