Simplify the following text for a Grade 11 native English-speaking person.
Original: The combined oral contraceptive pill ( COCP ) , often referred to as the birth-control pill or simply `` the Pill '' , is a birth control method that includes a combination of an estrogen ( estrogen ) and a progestin ( progestogen ) .
Simplified: The combined oral contraceptive pill ( COCP ) often shortened to birth-control pill or simply the Pill is a contraceptive for women .