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How does ortho novum 1/35 28 birth control pills work?

1 doctor weighed in
Dr. David Kurss
Obstetrics & Gynecology

In brief: Inhibits ovulation

All oral contraceptive pills that contain estrogen and progestin work primarily by inhibiting the passage of an egg (ovulation).
The progestin component can also thicken the cervical mucus to prevent sperm transport.

In brief: Inhibits ovulation

All oral contraceptive pills that contain estrogen and progestin work primarily by inhibiting the passage of an egg (ovulation).
The progestin component can also thicken the cervical mucus to prevent sperm transport.
Dr. David Kurss
Dr. David Kurss
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