Everyone knows the sign they were born under. This is the other one.
LENGTH OF TERM IN WEEKS (OPTIONAL)
Counted from the last period, as a midwife would say it: 38 or 38+4. Leave it blank if you do not know.
CONCEIVED UNDER
Choose a birthday
It counts back about thirty eight weeks and names the sign that season fell under.
For curiosity and entertainment. Not medical or fertility advice.
How this works, and what it will not tell you