Postpartum repro Flashcards
Transformation from pregnant to nonpregnant size; involves shrinkage, muscle tone, blood flow, and regression and regrowth of epithelial lining
uterine involution
What three factors affect the time required for involution?
- placenta type
- age
- abnormal delivery (ex. dystocia, twins)
Discharge lost postpartum
lochial volume
What is the endocrine status of a female postpartum?
Low LH (also low GnRH)
Prolactin (PRL) increased
Growth hormone increased
Opioid peptides increased
adrenal cotricoids
What is the refractory period?
When the hypothalamo-gonadal-pituitary axis is disconnected/unresponsive (little feedback to hypothalamus)
- period lasts about 2 weeks
What factors impact the resumption of estrous cycles?
suckling intensity/presence of young
nutrition
parity
age, metabolism, energy balance
season
Which takes longer to resume estrous, primiparous, or multiparous species?
primiparous
Primiparous cows require more time to return to estrus than multiparous cows.
True
