Lesson 18 (Part 3) Flashcards
What is the average size of an infantile uterus?
2.8cm in length
How much of the uterus is cervix for an infantile?
2/3rds total length
What is the shape of an infantiles uterus? (2)
- Tubular
2. Inverse pear shaped
Why is a neonates uterus slightly larger than an infantile uterus?
Because it holds more of moms hormones
- maternal hormone stimulation
What is the average size of the neonates uterus?
3.4 cm in length
What is the shape of a neonates uterus?
Inverse pear shape
Where do you measure the uterus?
Where ever it is thickest
- because it changes all the time
What are the ages when the uterus gradually increases?
8 till puberty
What happens to the uterus at puberty? (3)
- More increase in size
- especially body of uterus - Diameter and length of the body about double cervical size
- Becomes adult size and shape
What is the size of the uterus in an adult?
7 to 8 length cm x 5 width cm x 4 AP cm
- max. dimensions before pregnancies
What is the size of the uterus in a pregnant female?
Increases normal size by 1 cm in each dimension
What is the shape of the uterus in adults?
Pear shaped
What is the size of a menopausal uterus?
Atrophies 3.5 to 6.5 cm (L) x 1.2- 1.8 cm (AP)
What is the shape of the uterus for menopausal?
Pear shaped
- but small
What is the contour of an adult uterus?
Smooth
What is the echotexture of the myometrium?
Homogenous
What are the 3 layers you can distinguish with an ultrasound?
- Inner layer/subendometrial halo
- myometrium - Intermediate
- myometrium - Outer payer
- myometrium
What is the echogenicity of the inner layer of the myometrium?
Hypoechoic
What is the thickest layer of the myometrium?
The intermediate layer
What is the echotexture of the intermediate later of the myometrium?
Homogenous
What is the echogenicity of the intermediate layer of the myometrium?
Low to moderate echogenicity
What is the echogenicity if the outer layer of the myometrium?
Slightly less echogenic than the intermediate layer
What separates the intermediate layer from the outer layer?
Arcuate arteries
What is the size of the postmenopausal uterus?
Smaller in size
What can the postmenopausal uterus have?
Calcifications in the arcuate arteries
- linear hyperechoic calcific foci
What is found within the inner myometrium in a postmenopausal uterus?
Small echogenic foci
- single or multiple
LMP
Last menstrual period
How long is the average menstrual cycle?
28 days
How long does menses approximately last for?
1-5 days
