When do french bulldog puppies heads flatten?

French Bulldog puppies are born with relatively normal-shaped heads, and the flattening process happens gradually over the first few months of their lives.

Here's a general timeline:

* Birth to 4 weeks: The skull is still soft and pliable.

* 4 weeks to 3 months: The head starts to widen and flatten, and the characteristic "bat ears" begin to develop.

* 3 to 6 months: The head continues to flatten and the muzzle shortens.

* 6 months to 1 year: The head reaches its full size and shape.

Important Notes:

* Individual variation: The rate of head flattening varies from puppy to puppy. Some may develop a flat head more quickly than others.

* Genetics: The extent of head flattening is primarily determined by genetics.

* Brachycephalic syndrome: Extreme head flattening can contribute to brachycephalic syndrome, a group of health issues common in French Bulldogs.

It's essential to consult a veterinarian if you have any concerns about your French Bulldog puppy's head development. They can monitor the puppy's growth and address any potential issues.