negative regulation of progesterone biosynthetic process
negative regulation of progesterone anabolism
exact
negative regulation of progesterone biosynthesis
exact
negative regulation of progesterone formation
exact
negative regulation of progesterone synthesis
exact
Any process that stops, prevents, or reduces the frequency, rate or extent of progesterone biosynthetic process.
GO:0010894
negative regulation of steroid biosynthetic process
is_a
GO:0032353
negative regulation of hormone biosynthetic process
is_a
GO:0062014
negative regulation of small molecule metabolic process
is_a
GO:2000182
regulation of progesterone biosynthetic process
is_a
GO:0006701
progesterone biosynthetic process
negatively_regulates