kumari - endocrinology of pregnancy Flashcards Preview

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Flashcards in kumari - endocrinology of pregnancy Deck (12):
1

duration of gestation: cat

~60 d

2

duration of gestation: dog

~60 d

3

duration of gestation: cow

277-290 d

4

duration of gestation: pig

112-115 d

5

duration of gestation: sheep

144-152 d

6

duration of gestation: horse

340-345 d

7

what is a source of eCG in the mare?

endometrial cups

8

estrogen levels in the urine can be an indicator of what?

- litter size in pigs
-fetus size in cattle

9

estrogen is produced where during gestation?

the placenta

10

what two hormones are essential for development of the mammary gland?

- estrogen
- progesterone

11

what is the main role of progesterone?

- progesterone block: high progesterone levels inhibit uterine contractions by blocking oxytocin and prostaglandin

12

what are the 5 hormones produced by the placenta?

1. ovine placental lactogen (somatomammotropin)
2. bovine placental lactogens
3. prolactin
4. relaxin
5. equine chorionic gonadotropin