Cut-off level--what do you want it to be?
Fertil Steril
.
1997 May;67(5):980-1.
doi: 10.1016/s0015-0282(97)90149-7.
Authors
B W Mol
,
P J Hajenius
,
W M Ankum
,
F van der Veen
,
P M Bossuyt
PMID:
9130918
DOI:
10.1016/s0015-0282(97)90149-7
No abstract available
Publication types
Letter
Comment
MeSH terms
Female
Humans
Pregnancy
Pregnancy, Ectopic / blood
Pregnancy, Ectopic / diagnosis*
Pregnancy, Ectopic / diagnostic imaging
Progesterone / blood*
Ultrasonography
Substances
Progesterone