Antepartum problems Flashcards
gestational diabetes
any degree of glucose inteolerance with onset or recognition during pregnancy; identified during 2nd or 3rd trimester
diabetes goal
optimal outcome is strict maternal glucose control before conception and throughout the pregnancy
Insulin 1st tri
less insulin needed; risk hypoglycemia
insulin 2nd tri
gradually increase; need about back to baseline
insuline 3 tri
insulin dose above baseline (2-4x)
hormones that cause insuline resistance
HPL, prolactin, estrogen, progesterone, cortisol, insulinase
non-diabetics
pancrease compensates for insulin resistance
maternal complications with preexisting diabetes
miscarriage- 1st trimester
macrosomnia
hydramnios
ketoacidosis
hyperglycemia
hypoglycemia
preeclampsia
infection
fetal and neonatal risk preexisting diabetes
sudden and unexplained still birth
congenital malformations
birth injuries
prenatal evaluation
Laboratory test (pregestational): renal function, thyroid function, glycosylated hemoglobin A (HgbA1C)
Urine testing for UTI, glucose, protein at PN visits
Monitoring blood glucose levels & logging
Maintain FBS 65-105; 2 hr PP <120
Determination of birth date and mode of birth
Complications requiring hospitalization
Fetal surveillance/consider effects on fetus:
Additional ultrasound evaluations; measurement of MSAFP; echo; DFMC @ 28 wks; NST @ 32 wks
↑glucose in mom→fetal insulin production (structure similar to growth hormone)
preexisting dm- action
nutrition counseling, insulin (3rd tri especially), diet and exercise
GDM risk
fam hx
obesity
HTN
glucosuria
maternal age >25
more than 1/2 without risk factors
maternal GDM risk
preeclampsia
cesarean birth
dev type 2 DM later
neonatal GDM risk
macrosomia
birht injuries
electrolyte imbalance
hypoglycemia
OGTT
routine screening between 24 and 28 weeks