VITRO
| Date | Clue |
|---|---|
| 2019-03-10 | Lab-assisted, after "in" |
| 2013-01-14 | In ___ fertilization |
| 2011-04-13 | In ___ fertilization |
| 2009-10-29 | Not natural, in a way, after "in" |
| 2003-08-10 | Artificial, after "in" |
| 2000-09-12 | In ___ fertilization |
| 1995-04-15 | In _____ (from a lab) |