Pregnancy Flashcards
When can morning sickness present?
Early to 12-16 weeks
When should pregnancy be considered
Sexually active
Period delayed days to. Week w
What chemical do pregnancy tests react to?
Beta hCG
Where is beta-hCG produced
Placent
How much will beta hCG be raised in pregnancy
100,000 at 10 weeks
20,000 - 30,000 in third trimester
When and how can gestational sac be seen
5 weeks on us
At what beta hCG can pregnancy be noted
1500-2000
When can fetal heart tone be picked up
6 weeks
Embryo
Fertilization until 8 weeks
Fetus
8 weeks- birth
Infant
Birth to 1 year
First trimester
Until 14 weeks gestational age
Second trimester
Until 28 weeks gestational age
Third trimester
28 weeks until delivery
Previable
Before 24 weeks
Preterm
24-37 weeks
Term
37-42 weeks
Postdates or post term
> 42 weeks
When do we consider a parity
More than 500 grams
More than 20 weeks
Gestational age
Age of fetus measured from lmp
Developmental age
Days or weeks in age since fertilization occurred
What is 2 weeks more than what in ages?
Gestational > developmental
Nagele’s rule
FDLMP - 3 months + 7 days + 1 year
Nagele’s rule simple
LMP + 280 days
How many days + ovulation to due date
266
Us accuracy increases Or decreases with gestation
Decreases
1 trimester 1 week
2: 2
3: 3
Which way of measuring is 3-5 days w/in actual in 1st trimester
Crown rump
When can non-electric fetoscopy hear fht
18-20 weeks
When can Doppler hear fht
10 weeks
When does quickening occur
16-20 weeks
Increases risk for what in mothers less than 20
Small gestation sage
Preeclampsia
Pregnant teenagers have an increased risk of
Anemia Uterine dysfunction Cephalopelvic disproportion Low birth weight Perinatal mortality
Risks over 35
Htn Preeclampsia DM Gestational diabetes Late pregnancy bleeding Chromosomal abnormality 1/200 (1/20 at 44)
Women with more than 5 children.
Grandmaltip
Grandmaltip risks
Placenta previa Placenta accrete Post partum hemorrhage Uterine rupture C section hysterectomy
Placenta accrete
Growth into wall of uterus
Postpartum hemorrhage
> 1000 cc
What kind of delivery must placenta previa have
C section
Does placenta previa bleed
If so it’s bright red without complications or contractions
How is placenta previa diagnosed
Ultrasound
Small statured women
Cephalopelvic disproportion –> c section
Increased perinatal mortality
Under 120 pounds
Over 200 pounds
Ideal body weight calculation
Started with 100 pounds for first 5 feet then add or subtract 5 pounds if
Patient weighs 90% or less of IBW then 30-40 pounds be gained
90-135% 25-35 pounds
Over 135% 15-20 pounds
Failure to gain weight suggests
Dehydration Anorexia Bulimia Fetal death Fetal growth restriction Oligohydraminos
Excessive weight gain
Fluid retention (preeclampsia)
Gestational DM
Eating too much
Don’t lose more than____ first trimester
5 pounds
Who should gain slightly more than recommended
Teens and African Americans
History of DM, htn, and renal disease increased risk for
Intrauterine growth restriction Premature labor Toxemia/preeclampsia Abruptio placentae Gestational diabetes
Maternal effect of diabetes
Increased risk of Preeclampsia & eclampsia by 4x Macroscopic fetus leading to traumatic delivery C section and complications Hydraminos Cardioresperatiey symptoms in mother Major anomalies x3 Preterm delivery x3 Neonatal morbidity Infant predisposition to DM
Describe bleeding in abruptio placentae
Dark red when it does bleed
When do moms get rhogam
28 weeks gestation
When else is rhogam given
After birth if baby is Rh+
When do you give rhogam early
Procedures
Bleeding
Trauma
What must you do if you give rhogam early
Only lasts 12 weeks, next dose at 26 weeks then at birth
When is elective amniocentesis
14 weeks
If negative, get rhogam. Then and 12 weeks later
What % reduction in transmit tante with HIV treatment
80%
How must herpes deliver?
C section
What are babies at risk for if exposed to condyloma
Laryngeal condyloma
How to assess infection previous/current
IgG previous
IgM latent
Prognosis of varicella during pregnancy
Deadly but can’t get vaccine during pregnancy
Slap cheek aka
Parvovirus b19 risk of birth defects
Tobacco during pregnancy
IUGR
Placental abruption
Hypoxia
Risks of cocaine during pregnancy
Congenital abnormalities
Placental abruption
Preterm labor
Stillborn
Endometrium of pregnancy
Decidua
Increased hyper emesis in
Multiple gestation pregnancies Molar pregnancy (increased hCG)
Heaviness in breast by
6th week
Areola darken by
8th week
Colostrum appears by
16tn week
Abdominal enlargements
12weeks- at pelvic bone
20 weeks- into abdomen
When does an increase in abdominal girth occur
15th week
Earlier in multiparous
When does quickening occur
20 weeks-primigravida
16-18 weeks: multiparous