Birth Control for Women Over 30

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Combo pill
: Who should avoid it?

If you’re a migraine sufferer, you may want to steer clear; the Pill is thought to trigger headaches and raise the risk of stroke in some migraineurs. (Experts aren’t sure why, but the dip in estrogen during the “off week” is one suspect.)

And smokers older than 35—that includes the I-only-light-up-when-I-drink crowd—should avoid the Pill, as both estrogen and smoking cause blood to clot more easily.

Next: Progestin-only pill
: Who can try it?