The eighth is a minipill that contains only progestin.

A low-dose formulation is known as the minipill.

Like combined pills, the minipill decreases the likelihood of pelvic inflammatory disease.

These are often called the "minipill".

What to do: Ask about a low-estrogen pill like Yasmin, or the progestin-only minipill.

The "minipill" contains progesterone only.

Although the minipill is slightly less effective than the combination pills, it can be used by women, like those who are breast-feeding, who cannot take estrogen.

Progestogen only pill ("minipill")

Oral contraceptives (progestin-only) "The Minipill"

In the United Kingdom, one out of every 4 women aged 16-49 were using the Pill as at 2006 (either the combined pill or progestogen only pill ("minipill")).