OBSTETRICS : Stages of Labor, Menstrual Cycle,
Development, Presumptive Sign, Probable Sign, P
Sign, Gestational HPN, Pre-Eclampsia, Eclampsia
Ectopic Pregnancy, H-Mole, Cervical Insufficienc
Previa, Abruptio Placenta, Preterm Labor, Placent
Spectrum, Blood Incompatibility
Subject OBSTETRICS
MATERNAL NURSING
PREGNANCY (Gravidity / Gestation) LABOR / DELIVERY (Parity : > 20-24 weeks) POSTPARTUM (afte
→ in uterus → in vagina 6 weeks : return of
average : 40 weeks → expulsion of fetus + placenta pregnancy state →
range : 38-42 weeks STAGES : late : subinvolution
involution → “CAN”
→ 9 calendar months 1. CERVICAL DILATION (10 cm)
→ 1 months = 4 weeks (10 lunar months) through : contractions contractions : (n
phases : “LAT” ambulation
FALLOPIAN TUBE Latent (mild) : 0-3 cm nutrition
Infundibulum : covered by fimbria that help primi → 8-20 hours ; multi → 5-15
to guide the ovum into the fallopian tube hours UTERUS
Ampulla : site of fertilization ; common site Active (moderate) : 4-7 cm ; admit → fundus descent 1
for ectopic pregnancy day
primi → 1 cm/hr ; multi → 1.5 cm/hr
Isthmus : site of sterilization → tubal ligation location of fundus :
Transitional (strong) : 8-10 cm ; fastest
Interstitial : most dangerous site for ectopic immediately aft
phase
pregnancy UMBILICUS
2. FETAL DELIVERY
one hour after :
→ strong contractions + bearing down
primi : 1-2 hours ; multi : 30 min-1 hour
mechanism of labor : EDFIEEE
3. PLACENTAL DELIVERY
(n) : 300-400 ml
average : 5-15 min
max : 30 mins
4. RECOVERY (1st 4 hours)
monitor : hemorrhage (> 500 ml / 24 hours)
cause : uterine atony (uterus that is not
contracting)
→ tone, trauma, tissue, thrombin
PREGNANCY POSSIBILITY :
Female : cells (1 egg / ovum) ← gonads (ovaries) → hormones (estrogen)
birth : 1 million
, 💡 Bata pa ESTROGEN is LOW (from adrenal gland)
PUBERTY (9-16 y/o) dapat UP to go
with the bit of right hormones
HYPOTHALAMUS release GNRH (gonadotrophin releasing hormone)
APG release FSH (follicle stimulating hormone)
PRIMORDIAL young, but FSH’s high
add some more stimulation, turns to
GRAAFIAN (FOLLICULAR PHASE)
then ESTROGEN will surge (ESTROGENIC PHASE) → form lining
PROLIFERATION PHASE (of uterus) → shortens / lengthen cycle
💡 APG now produce LH (luteinizing hormone) → appear ↑ estrogen
an egg embarks — OVULATION
FOLLICLES become YELLOW, that’s CORPUS LUTEUM → waits 8-10 days for HCG (from CHORION, turns to placenta
contains PROGESTERONE (thicker lining, thicker secretion, intact lining, relax uterus) ; estrogen
→ (LUTEAL / PROGESTERONE / SECRETORY PHASE : 10 days)
pag di na fertilize, CORPUS ALBICANS (white) → ↓ P, E (ISCHEMIC PHASE : 3 days) → MENSTRUAL PHASE : 3-5 da
FERTILIZATION
→ an egg & sperm unite — at AMPULLA
→ conception / impregnation — at OVULATION
egg → 2 days ; sperm → 5 days
best time : 5 days before, 2 days after → mid-cycle
“OZMEF”
Ovum
Zygote (fertilized) (mitosis)
Morula
Embryo (implant)
Fetus (organogenesis → completed) “8 weeks”
MID-CYCLE
1. Proliferative
2. OVULATION → 14th day ; 14 days before the first day of succeeding menstrual
3. Luteal : 10 days
4. Ischemic : 3 days
5. Menstrual : 3-5 days
Development, Presumptive Sign, Probable Sign, P
Sign, Gestational HPN, Pre-Eclampsia, Eclampsia
Ectopic Pregnancy, H-Mole, Cervical Insufficienc
Previa, Abruptio Placenta, Preterm Labor, Placent
Spectrum, Blood Incompatibility
Subject OBSTETRICS
MATERNAL NURSING
PREGNANCY (Gravidity / Gestation) LABOR / DELIVERY (Parity : > 20-24 weeks) POSTPARTUM (afte
→ in uterus → in vagina 6 weeks : return of
average : 40 weeks → expulsion of fetus + placenta pregnancy state →
range : 38-42 weeks STAGES : late : subinvolution
involution → “CAN”
→ 9 calendar months 1. CERVICAL DILATION (10 cm)
→ 1 months = 4 weeks (10 lunar months) through : contractions contractions : (n
phases : “LAT” ambulation
FALLOPIAN TUBE Latent (mild) : 0-3 cm nutrition
Infundibulum : covered by fimbria that help primi → 8-20 hours ; multi → 5-15
to guide the ovum into the fallopian tube hours UTERUS
Ampulla : site of fertilization ; common site Active (moderate) : 4-7 cm ; admit → fundus descent 1
for ectopic pregnancy day
primi → 1 cm/hr ; multi → 1.5 cm/hr
Isthmus : site of sterilization → tubal ligation location of fundus :
Transitional (strong) : 8-10 cm ; fastest
Interstitial : most dangerous site for ectopic immediately aft
phase
pregnancy UMBILICUS
2. FETAL DELIVERY
one hour after :
→ strong contractions + bearing down
primi : 1-2 hours ; multi : 30 min-1 hour
mechanism of labor : EDFIEEE
3. PLACENTAL DELIVERY
(n) : 300-400 ml
average : 5-15 min
max : 30 mins
4. RECOVERY (1st 4 hours)
monitor : hemorrhage (> 500 ml / 24 hours)
cause : uterine atony (uterus that is not
contracting)
→ tone, trauma, tissue, thrombin
PREGNANCY POSSIBILITY :
Female : cells (1 egg / ovum) ← gonads (ovaries) → hormones (estrogen)
birth : 1 million
, 💡 Bata pa ESTROGEN is LOW (from adrenal gland)
PUBERTY (9-16 y/o) dapat UP to go
with the bit of right hormones
HYPOTHALAMUS release GNRH (gonadotrophin releasing hormone)
APG release FSH (follicle stimulating hormone)
PRIMORDIAL young, but FSH’s high
add some more stimulation, turns to
GRAAFIAN (FOLLICULAR PHASE)
then ESTROGEN will surge (ESTROGENIC PHASE) → form lining
PROLIFERATION PHASE (of uterus) → shortens / lengthen cycle
💡 APG now produce LH (luteinizing hormone) → appear ↑ estrogen
an egg embarks — OVULATION
FOLLICLES become YELLOW, that’s CORPUS LUTEUM → waits 8-10 days for HCG (from CHORION, turns to placenta
contains PROGESTERONE (thicker lining, thicker secretion, intact lining, relax uterus) ; estrogen
→ (LUTEAL / PROGESTERONE / SECRETORY PHASE : 10 days)
pag di na fertilize, CORPUS ALBICANS (white) → ↓ P, E (ISCHEMIC PHASE : 3 days) → MENSTRUAL PHASE : 3-5 da
FERTILIZATION
→ an egg & sperm unite — at AMPULLA
→ conception / impregnation — at OVULATION
egg → 2 days ; sperm → 5 days
best time : 5 days before, 2 days after → mid-cycle
“OZMEF”
Ovum
Zygote (fertilized) (mitosis)
Morula
Embryo (implant)
Fetus (organogenesis → completed) “8 weeks”
MID-CYCLE
1. Proliferative
2. OVULATION → 14th day ; 14 days before the first day of succeeding menstrual
3. Luteal : 10 days
4. Ischemic : 3 days
5. Menstrual : 3-5 days
