Physiology of pregnancy Flashcards
Which direction does the uterus move as it expands?
Upwards
Cervical changes in pregnancy (3)
Softening
Mucus plug closes cervical canal
Increased secretions from cervical glands
Vulva and vaginal changes in pregnancy
Increased vascularity (visible veins) More soft and moist
Skeletal changes in pregnancy (4)
Relaxation of pelvic ligaments
Increased lumbar lordosis (slouching)
Decreased calcium levels, increased calcitonin
High vitamin D for calcium absorption
Skin changes in pregnancy (3)
Linea nigra
Striae gravidarum
Chloasma gravidarum (discolouration)
Weight changes in pregnancy causes (4)
Increased appetite (Need 300 more calories per day) Pica (cravings) Enlargement of maternal organs Increased blood volume
What can cause shortness of breath in pregnancy
Splinting of the diaphragm by gravid uterus
Lung capacity decreases in pregnancy
What happens to peripheral resistance in pregnancy?
Large decrease due to vasodilation and increase in intravascular space from placenta
Blood pressure change in pregnancy
Little change because although blood volume increased, peripheral resistance decreased
What can cause swelling in pregnancy
Leak of fluids
What changes occur to the renal system?
Increased glomerular filtration due to increased blood flow
Can cause leakage of protein and glucose
Increased reabsorption
More filtrate means more urine
What are the five most influencing causes of the 12.5 kg weight gain
Fetus Fat and breast gain Fluid Blood Uterus
What is a result of the gastrointestinal system slowing in pregnancy
Constipation
Endometrial cycle can be divided into three phases
Menstrual
Proliferative
Secretory
What is the menstruated cycle part of
The endometrial cycle