When can I start each birth control method after birth?

Sooner than most people expect for almost every method. Condoms work from day one. Progestin-only methods — the mini-pill, the implant, and the shot — plus both IUDs can generally be started or placed right away, including while breastfeeding, because none of them contain estrogen. The one group that waits is the combined (estrogen) methods: the pill, patch, and ring. Because estrogen adds to blood-clot risk — which is already at its highest in the first weeks after birth — the CDC's U.S. Medical Eligibility Criteria say to avoid them before 3 weeks postpartum, and to wait until about 6 weeks if you're breastfeeding or have other clot-risk factors. This tool lays out the earliest safe start for each method based on your answers.

Because they contain estrogen, and estrogen raises the risk of a blood clot (a DVT or PE) at exactly the time that risk is already elevated — the first weeks after delivery. The body's clotting system stays revved up postpartum, and it takes several weeks to settle. That's why the CDC classifies combined methods as generally not recommended before 21 days for everyone, and delays them further — to around 6 weeks (day 42) — for people who are breastfeeding or who have additional postpartum VTE risk factors such as a cesarean delivery, preeclampsia, a high BMI, or smoking. For those factors it's a timing caution, not a permanent 'no': once enough time has passed, combined methods become an option again for most people. A previous blood clot (DVT or PE) or a known clotting disorder is different — it makes the estrogen methods unsafe regardless of how much time has passed, so it's a lasting reason to choose an estrogen-free option rather than a postpartum wait that clears. Progestin-only methods don't carry this wait.

Yes — both the copper and the hormonal (levonorgestrel) IUD can be placed within about 10 minutes of delivering the placenta, before you even leave the delivery room, and this immediate placement is a safe, convenient option under CDC guidance. If it isn't placed then, the usual next window is from about 4 weeks postpartum, often at your 4-to-6-week check. Insertion in the in-between period (from a day or two old up to ~4 weeks) is less common because the IUD is a bit more likely to slip out, so many clinicians place it either right at delivery or from ~4 weeks. One important exception: an IUD isn't placed if you have a uterine infection after birth. Talk with your delivery team ahead of time if you want immediate placement — it often has to be arranged in advance.

Most of them, and most can start early. Under the CDC criteria, progestin-only options — the mini-pill, the implant, the shot, and the hormonal IUD — are safe to start soon after birth while breastfeeding, and the copper IUD contains no hormones at all. The combined estrogen methods (regular pill, patch, ring) are the ones that wait: while breastfeeding they're generally delayed to about 6 weeks postpartum. Condoms work from day one. Note this is different from using breastfeeding itself as birth control — that's the lactational amenorrhea method (LAM), which only works while a specific set of conditions all hold; our LAM checker walks through those.

It can — but only under strict conditions, and not the way many people assume. Breastfeeding suppresses ovulation only while your baby is under 6 months, your period hasn't returned, and you're fully or nearly fully nursing day and night; that's the lactational amenorrhea method, about 98% effective while all three hold and no reliable protection once any one slips. Crucially, ovulation comes back before your first period, so a missing period is not proof you're safe — you can conceive before you ever see a period return. If you don't want to be pregnant again soon, it's worth starting a method rather than relying on breastfeeding alone. Our postpartum fertility & LAM checker shows exactly where you stand.

No to the first, yes to the second. This is an educational screen based on published CDC and ACOG guidance — not a prescription, a diagnosis, or a complete evaluation, and it doesn't create a doctor-patient relationship. The full criteria include many more situations than three questions can capture, and only a clinician can weigh your whole history and prescribe or place a method. On privacy: the tool runs entirely in your browser. Your answers are checked on your own device and are never sent to a server, saved, or shared — close the tab and they're gone. We treat reproductive information as sensitive by default.