Oops, it doesn't look like 'pagbubuntis day' is a national day..

Other days

bonang

Bonang Day
boyfriend

Boyfriend Day
lisp

Lisp Day
chocolate milkshake

Chocolate Milkshake Day
bounce

Bounce Day
boba

Boba Day
brow

Brow Day
gum

Gum Day
self care

Self Care Day
latina equal pay

Latina Equal Pay Day