PREVIEW OF

EMT/EMR OBSTETRICSPOWERPOINT TRAINING

PRESENTATION

ANATOMY REVIEW

AMNIOTIC SAC(Bag of Water)

FEMALE REPRODUCTIVE CYCLE

Lasts 28 about days for female to allow for pregnancyHormones control the cycle1st ovaries are stimulated to release an ovum

(egg)Then the uterus wall thicken to prepare for the

egg if fertilization occurs

FEMALE REPRODUCTIVE CYCLE

Next the fallopian tubes slowly transport the ovum to the uterus

Then the ovum is implanted into the wall of the uterus where it will grow into a fetus

If fertilization does not occur hormone levels will tell the inner uterus to break down & slough off to be expelled through the

vagina for 3-5 days (menstruation)

PHYSIOLOGY

Normal anatomical, physiological, & psychological changes in pregnancy

Reproductive systemRespiratory systemCardiovascular systemMusculoskeletal system

NORMAL EVENTS OF PREGNANCY

Consists of ConceptionDuring First Trimester (14 weeks each)Minute ventilationWomb grows to the size of a lemonNausea (morning sickness)Tender breasts

FUNCTIONS OF THE PLACENTA

AKA AfterbirthConnects the fetus to the

uterine wall allowing for nutrient uptake, waste elimination & gas exchange via the mothers blood supply

Also fights infection & produces pregnancy hormones

PREMONITORY SIGNS OF LABOR

LighteningBraxton hicks/false laborCervical changesBloody showRupture membranesContractions regular and at closer intervalsOther

BRAXTON HICKS CONTRACTIONS

AKA False labor or practice contractionsSporadic uterine contractions not normally

felt till third trimesterS & S include infrequent, irregular mild cramping lasting 1-2 minutes

INSPECT FOR CROWNING

Consider privacy of the mother

Baby’s head becomes visible in the vaginal opening

Birth is immanent

STEPS IF YOU NEED TO DELIVER

Make note of the birth timeKeep the baby at the level of the

birth canalClamp the cord, cut only if sterile

equipment availableMonitor the ABC’sWait for the afterbirth delivery

POSTPARTUM CARE

Perform fundal massage of abdomen to reduce hemorrhage

Signs of hemorrhage

ABUSE

Often women are abused by their significant other for many reasons

Law enforcement needs to be notified

PREGNANCY-INDUCED HYPERTENSION

The development of hypertension after 20 weeks of gestationDefined of B/P greater than 1440/90 mm HgCan lead to life-threatening conditions of fetus

ECLAMPSIA

The onset of seizures in a woman with pre-eclampsiaSeizures are tonic-clonic lasting about a minuteHappens during the second half of the pregnancy

PRECIPITOUS LABOR & BIRTH

Labor lasting less than 3 hoursOften child is delivered outside the hospital Locations can be

HomeCarAmbulance

PRETERM LABOR

Infant is born before 37 weeks gestationOften infants systems mature at 34-37 weeksLungs are the last to mature & are affected by

premature birth

BREECH BIRTH

Fetus presents buttocks or feet first

NUCHAL CORD

Cord is wrapped around the fetal neckHappens in 6-7% of all birthsUp to half of nuchal cords resolve before delivery

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