Gyn Average Measurements

Average Cervix Length

about 1 inch long

Average Fallopian Tube Length and Diameter

Length: 10-12 cm, Diameter: 1-4 mm

Endo Thick: Menstrual

1-4 mm; Days 1-5

Endo Thick: Early Proliferative

4-6 mm; Days 6-10

Endo Thick: Late Proliferative/Periovulatory

4-6 mm; Days 10-14 - Triple Line Sign

Endo Thick; Early Secretory

7-14 mm; Days 15-23

Endo Thick: Late Secretory

7-14 mm; Days 23-28

Endo Thick: Post-Menopause

< 5 mm

Ovarian Length Menstrual Age Female

2.5-5 cm

Ovarian Width Menstrual Age Female

1.5-3 cm

Ovarian Height Menstrual Age Female

.6-2.2 cm

Ovarian Average Volume Menstrual Age Female

6-10 cc

How do you calculate ovarian volume?

L x W x H x 0.523

Max Ovarian Volume Menstrual Age Female

14-16 cc

Ovarian Volume < 10 yrs age

<2 cc

Ovarian Volume Post-Menopausal Female

3-6 cc

Prepubertal Uterine Length

1-3 cm

Prepubertal Uterine W/H

0.5 -1 cm

Prepubertal Cervix:Corpus Ratio

1:1

Newborn Uterine Length

2-4 cm

Newborn Uterine W/H

0.5-1 cm

Newborn Cervix:Corpus Ratio

2:1

Nulliparous Menstrual Age Uterine Length

6-8 cm

Nulliparous Menstrual Age Uterine W/H

3-5 cm

Nulliparous Menstrual Age Cervix:Corpus Ratio

1:2

Multiparous Menstrual Age Uterine Length

8-10 cm (increased by 1-2 cm)

Multiparous Menstrual Age Uterine W/H

5-6 cm

Multiparous Menstrual Age Female Cervix:Corpus Ratio

1:2 or 1:3

Post-Menopausal Uterine Length

3-5 cm

Post-Menopausal Uterine W/H

2-3 cm

Post-Menopausal Cervix:Corpus Ratio

1:1

Dominant (Graafian) Follicles can grow up to __ in diameter

1.8-2.1 cm (up to 2.5)