Here are the possible solutions for at an early stage of development clue
Answer
Clue
Relevancy
embryo
Clue
Early stage of development
Early stage in development
Definition
the entity which develops in a woman's womb until it is born as a baby, esp. up to about eight weeks, after which it is known as a foetus, also EMBRYON
fetus
Clue
Early stage of development
Definition
(Latin) the unborn in the womb with distinctly formed parts, also FOETUS