chronic conditions in pregnancy- HTN, Thyroid, epilepsy, RA Flashcards
what can happen if hypothyroidism is untreated in pregnancy?
- miscarriage
- anaemia
- small for gestational age
- pre-eclampsia
which HTN medications need to be stopped in pregnancy?
- ACE inhibitors
- ARB
- Thiazide-like diuretics
which HTN medications aren’t known to be harmful in pregnancy?
- labetelol
- CCB- nifedipine
- alpha- blockers- doxazosin
what dose of folic acid should be given to pregnant epileptic women and why?
5mg to prevent neural tube defects
which anti-epileptic medications are safer to take in pregnancy?
Levetiracetam
lamotrigine
carbamazepine
which anti-epileptic medications should be avoided and why?
- Sodium valproate is avoided as it causes neural tube defects and developmental delay
- Phenytoin is avoided as it causes cleft lip and palate
which RA drugs can be used in pregnancy?
- Hydroxychloroquine is considered safe during pregnancy and is often the first-line choice
- Sulfasalazine is considered safe during pregnancy
- Corticosteroids may be used during flare-ups
which RA drugs cannot be used in pregnancy?
Methotrexate is contraindicated, and is teratogenic, causing miscarriage and congenital abnormalities
why is it suggested to avoid NSAIDS in pregnancy?
- they block prostaglandins which are important in maintaining the ductus arteriousus in the foetus
- in the third trimester it can delay softening of the cervix and uterine contractions
what are the risks of using ACE inhibitors in pregnancy?
- Oligohydramnios (reduced amniotic fluid)
- Miscarriage or fetal death
- Hypocalvaria (incomplete formation of the skull bones)
- Renal failure in the neonate
- Hypotension in the neonate
explain neonatal abstinence syndrome
- withdrawal symptoms neonates gets if mother was taking opiates:
- 3-72 hrs after birth
- irritability
- tachypnoea
- high temp
- poor feeding
what are the risks linked with lithium?
cardiac abnormalities - abstains abnormality, big right atrium and small right ventricle , especially in the first trimester
toxic in infant when breast feeding and should not be taken by breast feeding mothers
what type of monitoring should people on lithium have?
monitored every 4 weeks and then weekly from 36 weeks
what can SSRIs cause if taken in the first trimester?
- congenital abnormalities, especially paroxetine
what can taking SSRIs cause in the third trimester?
third-trimester use has a link with persistent pulmonary hypertension in the neonate
Neonates can experience withdrawal symptoms, usually only mild and not requiring medical management