The causes of medically<unk> es are either physiological, that is, there were no recognizable symptoms of<unk> , or can be due to psychological problems. For example, denied<unk>  is a condition in which a woman is mentally unable to accept that she is pregnant and so may go part way or all the way through a<unk>  unconscious of her<unk> . This phenomenon is sometimes linked to other mental health diagnostic labels. However, denied<unk>  makes up only a proportion of all unknown<unk> es.
Cryptic pregnancy
Molar pregnancy
Heterotopic pregnancy
False pregnancy
Interstitial pregnancy
Abdominal pregnancy
Invasive hydatidiform mole
Septic abortion