Crosswordiee.com

% replaces any number of letters (la% - lake, lamp)_ replaces one letter (ca_ - car, cat)

Crossword clues for It develops into a fetus 6 letters:

EMBRYO: It develops into a fetus
REUNITE: Like a developing fetus' location
WOMB: Where a fetus develops
BUNINTHEOVEN: Developing fetus, slangily
UTERI: Fetuses develop in them