Numbers Flashcards
% of women giving birth vaginally will tear to some degree
90%
% of singleton, term, cephalic, vaginal first births will sustain a 3rd or 4th degree tear
5.9%
Overall incidence of 3rd and 4th degree tears is %
2.9
Incidence of 3rd and 4th degree tears in nulliparous women
6%
Incidence of 3rd and 4th degree tears in multiparous women is
1.7%
In those who had vaginal delivery after third/fourth degree tear during their first delivery- the rate of third or fourth degree tears at second birth was ___%
7.2%
Incidence of 3rd/4th degree tears in forceps delivery without episiotomy is
22.7%
Incidence of 3rd/4th degree tears in forceps delivery with episiotomy is
6%
Miscarriage rate at age 20-24
9%
Miscarriage rate at age 25-29
11%
Miscarriage rate at age 30-34
15%
Miscarriage rate at age 35-39
25%
Miscarriage rate at age 40-44
51%
Miscarriage rate at age >/=45
> 93%
When presenting risk- very common is __ (equivalent numerical ratio)
1 in 1 to 1 in 10 (equivalent numerical ratio)
When presenting risk- common is __
1/10 to 1/100
1/100 to 1/1000 is ____
uncommon
____ risk corresponds to 1 in 1000 - 1 in 10,000 or a person in a small town.
Rare
What is the numerical ratio equivalent of a very rare risk?
Less than 1 in 10,000
The overall risk of serious complications from diagnostic laparoscopy is approximately _ in 1000 women
2 in 1000 women (uncommon)
Up to __% of bowel injuries might not be diagnosed at time of laparoscopy
15%
Risk of hernia at site of entry is ___ in 100
less than 1 in 100; uncommon
Risk of death from diagnostic laparoscopy?
3-8 in 100 000 women (very rare)
Risk of bowel injury from diagnostic laparoscopy
0.4/1000