Pregnancy Flashcards

1
Q

What contributes to insulin resistance in mothers?

A

Progesterone

Human placental lactogen (HPL)

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2
Q

What is gestational diabetes?

A

Diabetes that develops during pregnancy and goes away afterwards.

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3
Q

Complications associated with gestational diabetes in pregnancy

A

Macrosomia (newborn who is significantly larger than normal)
Polyhydramnios (excess amniotic fluid)
Intrauterine death

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4
Q

Complications of pregnancy associated with type 1 and type 2 diabetes

A
All complications also associated with gestational diabetes. 
Also:
Congenital malformation
Prematurity 
Intra-uterine growth retardation
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5
Q

Complications associated with diabetes in a neonate

A

Respiratory distress syndrome due to immature lungs
Hypoglycaemia- feotus is used to receiving high levels of glucose from the mother, when this is taken away e.g. at birth there is a risk of hypo
Hypocalcaemia- which may cause fits.

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6
Q

Management of type 1 and 2 diabetes in pregnancy

A
Pre-pregnancy counselling
Folic acid
Consider change from tablets to insulin
Regular eye checks
BP control- taken off ACEI and statins.
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7
Q

What is monitored throughout pregnancy for all diabetes

A

Blood pressure
HBA1C
Blood glucose

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8
Q

Which type 2 diabetes medications are acceptable to be used during pregnancy?

A

Metformin
Glibenclamide (only sulphonylurea allowed)
Insulin

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9
Q

What treatment would you give someone suffering gestational diabetes?

A

Lifestyle changes
Metformin
Sometimes insulin

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10
Q

What is the significance of having gestational diabetes?

A

Likely to develop type 2 diabetes because it shows you are likely to have insulin resistance.

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11
Q

T or F. Gestational diabetes occurs in the first trimester?

A

F- develops in the 2nd.

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12
Q

T or F. Methyldopa in pregnancy is a good treatment for blood pressure

A

T

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13
Q

T or F. Maternal hyperinsulinaemia causes increased feotal growth.

A

F- Maternal hyperglycaemia not the maternal hyperinsulaemia

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14
Q

T or F. The corpus luteum secretes HCG

A

False

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15
Q

T or F. After a pregnancy with GDM, the risk of developing type 2 diabetes in the next 10 years is 10%.

A

False- 90%

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16
Q

You are unlikely to get pregnant if you have

A

Pre-existing thyroid disease

17
Q

Why is thyroxine important in pregnancy

A

Maternal thyroxine helps with brain development.

18
Q

Why is there increased demand for thyroxine in pregnancy?

A

Increased plasma binding proteins mop up the extra thyroxine.

19
Q

If patients are have hypothyroidism, what should you do if they find out they are pregnant?

A

Increase the oral thyroxine by 25mg.

20
Q

What effect does HCG have on the thyroid

A

Acts like TSH by stimulating the thyroid to produce more T3 and T4.

21
Q

What is hypermesis gravadum

A

Vomiting in pregnancy.

22
Q

Risks of untreated hypothyroidism in pregnancy

A
Increased abortion
Preclampsia
Postpartum haemorrhage
Preterm labour
Abruption
23
Q

What can hyperthyroidism lead too in pregnancy?

A
Infertility
Miscarraige
Stillbirth
Thyroid crisis/storm in labour.
Transient neonatal thyrotoxicosis.
24
Q

It can be difficult to distinguish between hyperthyroidism and

A

Hyperemesis gravidarum in pregnancy.

25
Q

Management of hyperthyroidism in pregnancy

A

Wait and see- if hyperemesis it will settle down.
Beta blockers for symptom control
Low dose anti-thyroid drugs

26
Q

Which anti-thyroid drugs should you give.

A

Propylthiouracil- 1st trimester

Carbimazole- 2nd/ 3rd trimester.

27
Q

Side effects of carbimazole

A

Can cause embryopathy in 1st trimester
Scalp abnormalities
GI abnormalities
Choanal and oesophageal atresia

28
Q

Side effects of propothiouracil

A

Risk of liver toxicity