<unk>  is a tumor marker, especially in seminoma and ovarian cancer (e.g., dysgerminoma).<unk>  is reliable only in non-smokers, as smoking interferes with measurement of<unk> , since serum concentrations of<unk>  are increased up to 10-fold in smokers and its measurement is therefore of little value in this group.
Placental alkaline phosphatase
Human chorionic gonadotropin
Fetal fibronectin
Amniotic fluid index
CSF glucose
Uterine microbiome
Crown-rump length
Karyotype