Numbers 2 Flashcards

1
Q

% death if MCDA twins have a discordant NT >20%

A

30%

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2
Q

UK CS rate

A

25%
15% EMCS
10% ELCS

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3
Q

VBAC - risk of rupture 1 previous CS

A

1:200

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4
Q

VBAC risk of rupture if 2 previous CS

A

1.7%

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5
Q

VBAC risk of rupture if previous uterine rupture

A

5%

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6
Q

VBAC risk of rupture if previous classical CS scar

A

12%

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7
Q

VBAC risk of rupture if preterm

A

<0.5%

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8
Q

VBAC risk of rupture with oxytocin

A

0.8%

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9
Q

VBAC risk of rupture with prostaglandins

A

2.4%

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10
Q

VBAC + induction increases risk of CS by

A

1.5x

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11
Q

VBAC success rate

A

72-75%

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12
Q

VBAC + 1 previous VD success rate

A

85-90%

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13
Q

VBAC + 2 prev CS success rate

A

71%

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14
Q

VBAC success rate if previous breech

A

84%

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15
Q

VBAC success rate if previous fetal distress

A

74%

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16
Q

VBAC success rate if previous labour dystocia

A

64%

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17
Q

VBAC success rate if previous CS for dystocia, no previous VD, BMI >30 and IOL

A

40%

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18
Q

VBAC success rate if >4kg EFW

A

<50%

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19
Q

VBAC success rate if IUD

A

87%

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20
Q

VBAC rupture rate if IUD

A

2.4%

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21
Q

VBAC and instrumental delivery

A

39%

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22
Q

VBAC and OASI

A

5%

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23
Q

VBAC and perinatal death

A

4:10,000

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24
Q

VBAC and HIE

A

8:10,000

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25
Q

VBAC and unexplained SB

A

10:10,000

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26
Q

Planned vaginal breech birth perinatal mortality

A

2:1000

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27
Q

Planned vaginal cephalic birth perinatal mortality

A

1:1000

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28
Q

CS >39/40 perinatal mortality

A

0.5:1000

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29
Q

Transient neonatal respiratory morbidity in ELCS

A

4-5%

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30
Q

Transient neonatal respiratory morbidity in ELCS <39/40

A

6%

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31
Q

Transient neonatal respiratory morbidity in ELCS at 37/40

A

11%

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32
Q

Risk of maternal death in ELCS

A

13:100,000

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33
Q

Risk of maternal death in VBAC

A

4:100,000

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34
Q

% CS at full dilatation

A

4-5%

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35
Q

% of placenta praevia at term if placenta covers os at 20/40

A

11%

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36
Q

% of placenta praevia if placenta covers os at 20/40, anterior placenta and previous CS

A

55%

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37
Q

% of hysterectomy if placenta praevia and 1 previous CS

A

33%

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38
Q

% of future placenta praevia in women with current placenta praevia and 1 previous CS

A

23%

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39
Q

% of fetal varicella syndrome if VZV infection <28/40

A

1%

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40
Q

Risk of ectopic with salpingostomy

A

20%

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41
Q

Risk of malignancy of endometrial polyp

A

3%

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42
Q

% of endometrial polyps in postmenopausal women

A

11.8%

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43
Q

% of endometrial polyps in pre-menopausal women

A

5.8%

44
Q

% of PMB caused by endometrial polyps

A

2-12%

45
Q

% PMB caused by endometrial hyperplasia

A

15%

46
Q

Malignant potential of endometrial hyperplasia without atypia

A

2-5%

47
Q

Malignant potential of endometrial hyperplasia with atpyia

A

23-29%

Greentop 27.5-43% in 20yrs

48
Q

% risk of endometrial cancer if PMB >50yo

A

10%

49
Q

% risk of endometrial cancer if <50yo

A

1%

50
Q

% risk of endometrial cancer in PMB >80yo

A

25%

51
Q

% risk of endometrial cancer in PMB and diabetes

A

21%

52
Q

% risk of endometrial cancer in PMB if diabetes and obese

A

29%

53
Q

Increased risk of endometrial cancer on Tamoxifen

A

3-6x

4x when using >5years

54
Q

% LBR in cystic fibrosis

A

80%

55
Q

% PTB in cystic fibrosis

A

25%

56
Q

% Spiramycin reduces risk of Toxoplasmosis fetal infection

A

60-70%

57
Q

Risk of toxo transmission <4/40

A

<1%

58
Q

Risk of toxo transmission 13/40

A

10%

59
Q

Risk of toxo transmission 36/40

A

> 60%

60
Q

NICE - risk of mesh erosion in subtotal hysterectomy with sacrocolpopexy

A

4%

61
Q

NICE - risk of mesh erosion in total hysterectomy with sacrocolpopexy

A

11%

62
Q

NICE - risk of mesh erosion in sacrohysteropexy?

A

8%

63
Q

Risk of cancer if endometrial hyperplasia doesn’t regress in 12/12

A

23%

64
Q

% babies colonised with chlamydia in positive mothers

A

50-60%

65
Q

% chlamydia colonised babes that develop pneumonitis

A

15%

66
Q

Risk of opthalmia neonatorum in gonorrhoea

A

28-50%

67
Q

Transmission risk of primary HSV

A

40-50%

68
Q

Transmission risk of recurrent HSV

A

<3%

69
Q

Transmission risk in early syphilis

A

up to 100%

70
Q

Transmission risk in late syphilis

A

10%

71
Q

Transmission of primary CMV

A

40%

72
Q

Transmission of recurrent CMV

A

1-2%

73
Q

If falls pregnant on IUS/IUD - risk of ectopic pregnancy

A

1:20

74
Q

Expulsion rate of IUS/IUD

A

1:20

75
Q

Risk of uterine perforation with IUS/IUD

A

1:1000

76
Q

Risk of infection with IUS/IUD

A

1:100

77
Q

Use of COCP in BRCA1/2 can reduce ovarian cancer risk by

A

60%

78
Q

Mesh erosion in abdominal sacrocolpopexy

A

2-11%

79
Q

Re-operation rate in abdominal sacrocolpopexy

A

16.7%

80
Q

Risk of anterior prolapse in SSF

A

8-30%

81
Q

OASI overall %

A

2.9%

82
Q

OASI in primips

A

6.1%

83
Q

OASI in multips

A

1.7%

84
Q

% congenital heart disease if maternal diabetes

A

2%

85
Q

% congenital heart disease if 1 previous child affected

A

2%

86
Q

% congenital heart disease if 2 previous children affected

A

10%

87
Q

% congenital heart disease if mother has congenital heart disease

A

5%

88
Q

% congenital heart disease if father has congenital heart disease

A

2%

89
Q

% fetal loss with cystic hygroma

A

80-90%

90
Q

% SGR occurs in monochorionic twins in absence of TTTS

A

15%

91
Q

% SGR occurs sin monochorionic twins in TTTS

A

50%

92
Q

% unexplained infertility

A

30-40%

93
Q

% male factor as cause of infertility

A

30%

94
Q

% pregnancy rates with treated lower third transverse vaginal septum

A

100%

95
Q

% pregnancy rates with treated middle third transverse vaginal septum

A

40%

96
Q

% pregnancy rates with treated upper third transverse vaginal septum

A

20%

97
Q

Parvovirus transmission <15/40

A

15%

98
Q

Parvovirus transmission 15-20/40

A

25%

99
Q

Parvovirus transmission towards term

A

70%

100
Q

Risk PTB <28/40 if CL at 20-24/40 <25mm

A

25%

101
Q

Risk PTB <32/40 if CL at 20-24/40 <20mm

A

42.4%

102
Q

Risk PTB <36/40 if CL at 20-24/40 <20mm

A

62%

103
Q

% babes affected by transient neonatal myaesthenia gravis

A

20%

104
Q

% unexplained infertility with mild endometriosis

A

30%

105
Q

Ectopic rate in ART

A

2-8%

106
Q

LBR for frozen embryos

A

21%