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Chapter 28
Pregnancy and Parturition PSY 278
Question | Answer |
---|---|
What is example of copulation timed with ovulation? | ovary releases egg |
What are the physiological factors to ensure sperm delivery? | copulatory plug. The uterine contractions via oxytocin/ epinephrine and the copulatory lock. |
What are the behavioral factor to ensure sperm delivery? | mating holds |
What hormones are in the follicular phase? | LH and FSH |
What does LH stand for? | luteinizing hormone |
What does FSH stand for? | foliate stimulation hormone |
What hormones is in the ovulation phase? | estrogen |
What hormones are in the luteal phase? | progesterone and related compounds |
What are the physiological indicators of the ovulatory cycle? | follicular phase, ovulation, luteal phase |
What hormone in the sperm storage? | cryopreservation |
What happens in the gestation? | duration is the conception to birth |
What happens during diapause? | a cessation or slowing of early embryo growth ex: blastocyst |
What controls diapause? | lactation. season, nutrition |
What are the three phases of parturition? | prepartus, partus, and postpartum |
What is prepartus? | labor |
What happens during labor? | varying lengths of contractions, mothers often exhibit signs of discomfort, |
What do many females do during labor? | seek isolation immediately prior to onset of prepartus |
What is the comparisons btw primiparous vs. multiparous? | single offspring vs. multiple offspring |
What is an example of a partus phase? | an African elephant standing |
What happens during the postpartum phase? | mother's behavior dictated by offspring behavior (movement, calling) |
What is maternal licking that is species specific? | possible function in stimulating defection/ urination (ingested by mom) and odor reduction in prey animals |
What is factors of placentophagy? | species-specific and common across wide swathes of mammals |