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Home Q & A Board Biology-Related Homework Help General Biology
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kasy110 kasy110
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Posts: 170
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12 years ago
One reason an ectopic pregnancy is unsuccessful is that..

a) FSH production ceases and the corpus luteum degenerates
b) adequate structures do not develop to transfer materials between the maternal and embryonic blood
c) the outer cells of the embryo attach to the endometrium to form the placenta, which degenerates
d) ovarian production of progesterone ceases and the placenta degenerates
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#1
Donated
Valued Member
12 years ago
Quote from: kasy110 (12 years ago)
b) adequate structures do not develop to transfer materials between the maternal and embryonic blood

Hi! This makes the most sense to me, though you should confirm it with another source.
kasy110 Author
wrote...
#2
12 years ago
Can anyone confirm this? =0
wrote...
#3
Educator
12 years ago
Quote from: kasy110 (12 years ago)
a) FSH production ceases and the corpus luteum degenerates
b) adequate structures do not develop to transfer materials between the maternal and embryonic blood
c) the outer cells of the embryo attach to the endometrium to form the placenta, which degenerates
d) ovarian production of progesterone ceases and the placenta degenerates

I'm going to agree with Star, let us know what you end up picking.
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