What hormone is used to detect pregnancy in a home pregnancy test?
What cells make hCG?
At what week do you have a early pregnancy assessment and dating ultrasound?
What is confirmed during an early pregancny assessment and dating ultrasound?
Location, # of embryos, heart beat, length of embryo.
What is visible in an early pregnancy assessment and dating ultrasound?
Yolk sac and embryo (5mm)
When is the first trimester screening for pregnancy?
What is tested/can be tested during the First trimester screening of preganancy?
PAPP-A (Pregnancy associated plasma protein A - growth promoting hormone in the placenta)
Fetal heart beat, size, nuchal translucency
Chorionic Villus Sampling (CVS) - CV tissue drawn through suction (vagina) or needle
Non-invasive prenatal testing (NIPT): measures cell free fetal DNA in mothers blood.
What are some chromosomal disorders which can be diagnosed at 12 weeks gestation?
Which chromosome is abnormal in Down syndrome?
Trisomy 21: 47 chromosomes in each cell.
Which chromosome is abnormal in Turner syndrome?
Monosomy X: 45 chromosomes in each cell - missing a sex chromosome
Which chromosome is abnormal in Edward syndrome:
Trisomy 18: extra 18 Chromosome`
Which chromosome is abnormal in Patau syndrome?
Trisomy 13: extra 13 chromosome
What week of the gestation is the fetal anaotmy scan conducted?
What is determined at the fetal anatomy scan?
Heart beat, size, placenta position, volume of amniotic fluid, reviewing basic anatomy structures and blood floow.
Neural tube defects, heart and kidney problems, cleft lip.
How many preganacies in Austalia are unplanned?
What is considered a Low birth weight?
What weight is considered small for gestational age?
<2.5kg full term
What are some risks associated with small for gestational age babies?
Problems with blood glucosecontrol, temperature regulation, growth and development
What is considered normal birth weight?
2.5- 4 kg
What is considered high birth weight?
What are some risks associated with high birth weight babies?
delivery problems, obesity and diabetes.
When is there maximum amniotic fluid in the amniotic sac during gestation?
What are 4 factors that affect growth patterns of a fetus other than foetal genome?
Smoking and drug abuse
During what weeks is the maximum growth rate of a fetus?
What is the counted as the beginning of the first trimester?
Counted from date of last menstrual period
What weeks of a pregnancy are considered the first trimester?
First 13 weeks
When is the embryonic period and what size is the foetus at the end of it?
Up to week 8 - 22mm long
When is the foetal period of gestation?
When do most spontaneous abortions occur?
What are the 2 layers of the bilaminar disc?
Epiblast and Hypoblast