Small Babies Flashcards
State some factors which may influence the weight of a newborn
Gestational age, fetal gender, parity, maternal height & weight, ethnic group, altitude
How many measurements does it take to calculate the size and the growth of a baby?
Size: 1 measurement
Growth: 2 measurements
What is the definition for “Intra uterine growth restriction”?
A baby of less than the 10th percentile of birth weight for gestational age
What is the difference between Morbidity and Mortality?
Morbidity = state of being diseased or unhealthy within a population
Mortality = the number of people who died within a population
What are the three phases of Foetal Growth?
- Cellular hyperplasia (0-14w)
- Continued hyperplasia (15-32w)
- Cell hypertrophy (32w+)
When does Symmetrical IUGR occur? How does the foetus appear?
Early on in the pregnancy, foetus appears generally smaller overall
When does Asymmetrical IUGR occur? How does the foetus appear?
Later on in the pregnancy, foetus has a decreased abdominal circumference compared to head
Give examples of factors which can cause symmetrical IUGR
- Chemical exposure
- Viral infection
- Chromosomal
Give examples of factors which can cause assymmetrical IUGR
- Pre-eclampsia
- Placental insufficiency
Smoking can reduce the birth weight of a foetus by how much?
Between 150-250g weight loss
What does TORCH stand for?
Toxoplasmosis Rubella Cytomegalovirus Herpes Syphyllis
What is Abruptio Placentae?
Premature separation of the placenta from the uterus
What is Placenta Previa?
Placenta attaches inside the uterus but near or over the cervical opening
What is the name given to a non-neoplastic hamartoma-like growth in the placenta consisting of blood vessels?
Chorangioma
Pre-eclampsia is characterised by primarily what two things?
Hypertension
Proteinuria