Beware the negative pregnancy test.
Pretlove
Samantha J
SJ
Department of Obstetrics and Gynaecology, The Royal Free Hospital, London, UK.
Lovell
Kay H
KH
Thompson
P J
PJ
Reid
Wendy M N
WM
D000328:Adult; D006063:Chorionic Gonadotropin / Q000097:blood*; D003937:Diagnosis, Differential; D005188:False Negative Reactions; D005260:Female; D006801:Humans; D006939:Hyperemesis Gravidarum / Q000175:diagnosis*; D011247:Pregnancy; D011261:Pregnancy Trimester, First; D011272:Pregnancy, Multiple; D014310:Triplets
D006063:Chorionic Gonadotropin