Quik Facts Flashcards
Between ………… weeks, biparietal diameter, head circumference, abdominal circumference and femur length are used for measurement of the embryo
16th to 30 weeks
Between ……….. weeks, ultrasound can be used for measurement
7th to 14th weeks
Whats the crown rump length at the following developmental stages;
End of first half of intrauterine life;
at 6.5 – 7th mont;
at time of birth
end of first half of intrauterine life, CRL is 15cm;
at 6.5 – 7th month CRL is 25cm;
at time of birth CRL is 36cm
What’s the crown heel length at the time of birth?
CHL is 50cm
Between the ……… months of intrauterine life, the liver is the major hematopoetic organ of the embryo/foetus
2nd to 7th months
When does th syncytiotrophoblast secrete human chorionic gonadotropin (HCG)?
within the first 2 months of pregnancy
What are the mean ages of menarche and menopause respectively?
12.8 years and 48 years
Menarche refers to …….
The first occurrence of menstruation
Secretory phase begins ………. days after ovulation
2 to 3 days
Menarche refers to …….
The first occurrence of menstruation
What’s the length and diameter of the umbilical cord just before birth?
At birth, umbilical cord is approximately 1 – 2cm in diameter and 50 – 60cm long
There is LH surge …… hours before ovulation
36
How long does it take the sperm to move from cervix to oviduct?
It takes the sperm 30 minutes to 6 days to move from the cervix to the oviduct
Pre-ovulatory stages lasts for ……. hours
37
How long does it take the fertilised oocyte to reach the uterine lumen?
Fertilised oocyte reaches the uterine lumen within 3 to 4 days
