Idiopathic Recurrent Pregnancy Loss

idiopathic:
-adjective.
of relating to, or designating a disease having no known cause

recurrent:
-adjective.
that recurs, occurring or appearing again, esp. repeatedly or periodically

pregnancy:
-noun.
1.
a. The condition of being pregnant
b. An instance of being pregnant
c. The period during which one is pregnant
2. The quality or condition of being rich in significance, import or implication
3. creativity, inventiveness

loss:
-noun.
1. Detriment, disadvantage, or deprivation from failure to keep, have or get
2. Something that is lost.
3. An amount or number lost
4. The state of being deprived of or being without something that one has had
5. Death
6. The accidental or inadvertent losing of something dropped, misplaced, stolen, etc.
7. A losing by defeat; failure to win
8. Failure to make good use of something, as time
9. Failure to preserve or maintain
10. Destruction or ruin
11. A thing or number of related things that are lost or destroyed to some extent