Families I

Risk of premature babies

Respirations (Lungs develop last)

Weight

2.5 - 3.4 kg

Length

46 - 54 cm

Chest circumference

32 - 33 cm

Head circumference

34 - 35 cm

Percentile of average birth weight

50%

Macrosonic

Baby weighing more than 4.5 kg because of maternal gestational DM

Pulse rate

120 - 160 bpm

RR

30 - 60

Periodic respirations

Irregular respiration depth, rate, rhythm irregular with apnea

Ovaries produce

Estrogen and progesterone

Endometrium influenced by which hormones

Estrogen + progesterone

Menstrual cycle purpose

Bring ovum to maturity

Renew uterine tissue

Inc during ovulation

LH

Quickening

Fetus moves at 16 wks

Neural tube

3 wks gestation

CNS of the fetus

Surfactant forms at

24 wks

Lanugo

Soft hair develops in fetus during gestation

What measures amniotic fluid

Ultrasonography

Amenorrhea

Missed period

Subjective presumptive symptoms

Chadwick sign

Bluish purple discoloration of cervix, vag___, vulva

Objective sign of pregnancy

Goodell sign

Softening of vaginal cervix

Objective sign of pregnancy

Hegar sign

Softening of uterine isthmus

Objective sign of pregnancy

Lightening

36th week of pregnancy, fetus settles into midpelvis

Oligohydramnios

< 5 cm amniotic fluid

Hydramnios

> 20 cm amniotic fluid

Diastasis

Abdominal wall stretches + muscles separate during pregnancy

Linea nigra

Narrow, brown line from umbilicus to symphysis pubis

Melasma

Dark pigment of face, cheeks, nose

Indicates bleeding

Inc pulse or respirations

Indicates gestational HTN

Inc weight + bp

Mineral needs

Fl, I, Zn, Ca, Iron 30 - 60 mg daily

Underweight pt gain

28 - 40 lbs

Obese pt gain

11 - 20 lbs

Signs of labor

Contractions - inc in frequency + intensity

Show-expelling the mucus plug

Rupture of the membranes - water break

Maternal quadruple marker screening for

1) HcG

2) Inhibin A

3) AFP

4) Estriol