Maternity-Physiology Of Pregnanacy/care Of The Prenatal Pt-Slides

Front 1

PREMBRYONIC PERIOD
Def

Back 1

•THE FIRST 2 WEEKS AFTER CONCEPTION

Front 2

PREMBRYONIC PERIOD
events

Back 2

IMPLANTATION
NIDATION
•PROGESTERON & ESTROGEN, hCG
•SITE OF IMPLANTATION IS IMPORTANT
Blastocyst enters the uterus about 4thday after conception

Front 3

EMBRYONIC PERIOD
Def

Back 3

•EXTENDS FROM BEGINNING OF 3RDWK. THRU 8THWK. AFTER CONCEPTION.

Front 4

EMBRYONIC PERIOD
events

Back 4

•Undifferentated to Differentiated
•VULNERABLE TO TERATOGENS :
Maternal infection

Front 5

FETAL PERIOD
Def

Back 5

•9 WKS. AFTER CONCEPTION –ENDS AT BIRTH

Front 6

Fetal Period Events

Back 6

•All Major Systems are Present in Basic form and all organ systems will grow & become more refined during this period.

Front 7

PLACENTA
MAJOR FUNCTIONS

Back 7

1. Metabolic : Nutrition
2. Transfer : Gas Exchange
Nutrient, Waste, Antibody, Maternal Hormones
3. Antibodies
4. Role of hCG, estrogen,
progesterone

Front 8

Mechinisms of Implantation

Back 8

- Enzymes erodemthe decidua
- Chorionic villi extend into the desidua basilis(form fetal side of placenta)
-nutrtitive fluids pases by diffusion

Front 9

progesterone is poduced by

Back 9

placenta

Front 10

GOODELL’S SIGN

Back 10

CERVIX SOFTENS

Front 11

PLASMA VOLUME INCREASES:

Back 11

45% Above Pre-
Pregnancy
To Transport nutrients
needed to meet the
demands of tissue of uterus & breasts

Front 12

Choloasma

Back 12

brown pigmant on forhead and cheeks

Front 13

NAGELE’S RULE

Back 13

•ESTABLISHES EDC :
•Subtract 3 mo and add 7 days to the 1stday of the last normal menstrual cycle. Correct for the year.
•LNMP: August 30, 2001
•Subtract 3 mo= May 30, 2001
•Add 7 days & change yr= June 6, 2002

Front 14

ESTROGEN

Back 14

Stimulates uterine growth & increases blood supply to uterus

Front 15

Estrogen
CAUSES:

Back 15

Hyperpigmentation
Vascular changes in skin
Increased activity salivary glands
Hyperemia of gums & nasal mucous membranes

Front 16

PROGESTERONE

Back 16

•Maintains endometrium of implantation
•Relaxes smooth muscle of uterus –prevents spontaneous abortion

Front 17

CONFIRMATION OF PREGNANCY

Back 17

DX OF PREGNANCY HAS TRADITIONALLY BEEN BASED ON SYMPTOMS EXPERIENCED BY THE WOMAN ANDON SIGNS OBSERVED BY HEALTH CARE PROVIDER

Front 18

PRESUMPTIVE INDICATIONS
least reliable

Back 18

Amenorrhea
N/V
Fatigue
•Urinary Frequency
•Breast/Skin Changes
•Vaginal, cervical color change
•Fetal Movement

Front 19

PROBABLE INDICATIONS

Back 19

Abdominal
Enlargement
Changes in Cervix:
Color,Consistency
Changes in Uterus
Ballottement
Braxton-Hicks
Contractions
Uterine Souffle
Pregnancy Tests

Front 20

Accepted

Back 20

Auscultation of fetal heart sounds
•Fetal Movements felt by examiner
•Visualization of Embryo, or Fetus