Measurements

Question 1

What are the dimensions used to measure the uterus?

Answer 1

L x W x AP

Question 2

Uterine size: Nulliparous

Answer 2

8cm x 5cm x 3cm

Question 3

Uterine size: Parous

Answer 3

8-10cm x 5-6cm x 5-6cm

Question 4

Uterine size: Multiparous

Answer 4

Increase approximately 1-2cm in length

Question 5

Uterine size: Premenarchael

Answer 5

1-3cm x 0.5-1cm

Question 6

Uterine size: Postmenopausal

Answer 6

3.5-5.5cm x 2-3cm

Question 7

Uterine/Cervix Dimensions: Prepubertal

Answer 7

2/3 cervix, 1/3 uterine body

Question 8

Uterine/Cervix Dimensions: Pubertal

Answer 8

1/2 cervix, 1/2 uterine body

Question 9

Uterine/Cervix Dimensions: Post-pubertal

Answer 9

1/3 cervix, 2/3 uterine body

Question 10

Uterine/Cervix Dimensions: Post-menopausal

Answer 10

1/2 cervix, 1/2 uterine body

Question 11

Vaginal length

Answer 11

8-10cm

Question 12

Fallopian tube length

Answer 12

10-12cm

Question 13

Fallopian tube diameter

Answer 13

1-4mm

Question 14

Ovarian size

Answer 14

3 x 2 x 2cm

Question 15

Post-menopausal ovarian size

Answer 15

1-2cm

Question 16

Graafian follicle

Answer 16

2cm

Question 17

At what size is a follicle considered a cyst?

Answer 17

3cm

Question 18

Dominant follicle

Answer 18

2cm or <

Question 19

Endometrium during secretory phase

Answer 19

7-14mm

Question 20

Length of cervix

Answer 20

2.5cm

Question 21

Length of isthmus of the uterus

Answer 21

1cm

Question 22

Length of the interstitial portion of Fallopian tube

Answer 22

1cm

Question 23

Length of the isthmus portion of Fallopian tube

Answer 23

3cm

Question 24

Length of the ampulla portion of Fallopian tube

Answer 24

5cm

Question 25

Depth that the basal layer can extend into the myometrium

Answer 25

2.5mm

Question 26

Follicular cyst

Answer 26

3-8cm

Question 27

Ovarian Volume Dimensions

Answer 27

L x W x H x 0.5233

Question 28

Malignant tumor resistive index

Answer 28

<0.4

Question 29

Malignant tumor pulsatility index

Answer 29

<1.0

Question 30

Mean Sac Diameter

Answer 30

L x W x H / 3

Question 31

Cephalic Index

Answer 31

BPD/OFD x 100

Question 32

Cephalic index for dolichocephalic

Answer 32

Less than 75

Question 33

Cephalic Index for brachiocephalic

Answer 33

More than 85

Question 34

Normal lateral ventricle

Answer 34

10mm or <

Question 35

Ventriculomegaly

Answer 35

> 10mm

Question 36

Normal Cisterna Magna

Answer 36

2mm-10mm

Question 37

Abnormal Nuchal Fold

Answer 37

6mm or >

Question 38

Placenta weight

Answer 38

450-550g

Question 39

Placenta diameter

Answer 39

16-20cm

Question 40

Ovarian volume

Answer 40

6-13cc

Question 41

Placental thinning AP

Answer 41

<1.5cm

Question 42

Placental thickening AP

Answer 42

>4cm

Question 43

Compressed cervix AP in pregnancy

Answer 43

2cm or <

Question 44

Yolk sac inner diameter

Answer 44

<6mm

Question 45

Sample size for MCA

Answer 45

1-2mm

Question 46

Polyhydoramnios fluid index

Answer 46

>20cm

Question 47

Post partum hemorrhage (vaginal delivery)

Answer 47

>500ml

Question 48

Post partum hemorrhage (c-section)

Answer 48

>1000ml