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Birth Control and Lupus: Safest Options and Which to Avoid

Intrauterine devices (IUDs) are the best contraceptive for most patients with lupus. The safest choice depends on four things: whether you carry antiphospholipid antibodies, whether you have a history of blood clots, how active your lupus is, and which medications you take.


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This article goes through every reversible method, how well each one works, and which ones should be avoided in lupus and why.

Why contraception matters more in lupus

This topic deserves careful attention for two reasons.

Timing a pregnancy. It is essential that lupus has been under good control for at least six months before attempting pregnancy. Reliable contraception is what makes that timing possible.

Medication safety. Several lupus medications must not be taken during pregnancy at all. These include mycophenolate, methotrexate, leflunomide, cyclophosphamide, and thalidomide. With some of these, thalidomide in particular, preventing pregnancy is so important that using at least two forms of birth control is recommended.

How the methods compare

Permanent methods, meaning tubal ligation and vasectomy, are 100% effective. Everything below is reversible, listed from most to least effective.

The percentages show roughly how many couples using each method for one year will become pregnant with typical use.

MethodPregnancies per yearSuitability in lupus
Progestin implantUnder 1%Excellent choice
Levonorgestrel IUD (LNg IUD)1 in 500Best choice for most patients
Copper IUD1 in 125Best choice for most patients
Depo-Provera injectionAbout 4%Avoid if antiphospholipid antibody (aPL) positive or at risk of osteoporosis
Progestin-only pillsAbout 7%Usable with aPL antibodies or active lupus
Combined pills (estrogen and progestin)About 8%Only if lupus is well controlled and aPL negative
Vaginal ringAbout 8%Probably safe if lupus inactive and aPL negative
Diaphragm with spermicideAbout 12%Safe, but only works if used every time
Male condomsAbout 1 in 5Safe, and the only method that also reduces STDs
Cervical cap with spermicide1 in 6 (1 in 3 after a vaginal delivery)Safe but less reliable
Fertility awarenessAbout 1 in 4Not a reliable method
WithdrawalHighShould not be used. Safe but not effective
Spermicide aloneAbout 30%Should not be used as primary contraception

The best options for most lupus patients

IUDs

An IUD is a small device inserted into the uterus by a gynecologist, and there are two types.

The copper IUD works by interfering with sperm movement, preventing fertilization. It lasts 12 years or longer. Out of 125 couples using it for a year, only one becomes pregnant.

The levonorgestrel IUD, often called the LNg or hormonal IUD, releases a hormone called progestin. It lasts 7 years and is even more effective, with only 1 pregnancy in 500 couples per year.

The main practical difference is bleeding. The copper IUD can increase menstrual bleeding and cramping, while the LNg IUD tends to reduce both. For many women, that makes the LNg IUD the better of the two.

IUDs are the most suitable form of contraception in lupus, and they are what reproductive experts recommend for most lupus patients who need reliable birth control.

Progestin implants

A progestin implant is a small plastic rod inserted under the skin of the inner upper arm. It releases progestin continuously and prevents pregnancy for about three years. Fewer than 1% of couples using it for a year become pregnant, which makes it the single most effective reversible method.

It should not be used in someone with a history of blood clots, liver cancer, vaginal bleeding of unknown cause, or a history of breast cancer. Although safer than estrogen-containing pills (see below), progestin implants may possibly increase the risk of blood clots in women who are positive for antiphospholipid antibodies (aPLs). SLE patients with severely low platelet counts or who have other reasons for excessive bleeding should consider avoiding the progestin implant.

It can cause unpredictable vaginal bleeding, which some women find bothersome. On the other hand, menstrual bleeding tends to be lighter overall, which many welcome.

Additional hormonal methods: where lupus changes the answer

This is where the specifics of your lupus matter most.

Combined pills

Among birth control pills, the combined pills, those containing both estrogen and progestin, are more effective than progestin-only pills, though long-acting methods such as IUDs and the implant are more effective still. Beyond preventing pregnancy, they lower the long-term risk of endometrial and ovarian cancers (and colorectal cancer), with the protective effect persisting for decades after using these products.

They can, however, increase the risk of blood clots, and they should be avoided in women who have migraine with aura because of the added stroke risk. They can also worsen liver disease and are associated with a small increase in breast cancer risk.

Where lupus is concerned, the evidence is reassuring in one specific situation and absent in another:

  • Pills with low-dose estrogen, meaning 30 mcg or less of ethinyl estradiol, are generally safe in most women with well-controlled lupus and do not increase the risk of flares
  • They are probably safe in women with mild, stable active lupus, such as arthritis or an active rash
  • They have not been studied in women with moderately or severely active lupus, such as active lupus nephritis

Because they raise the risk of blood clots, combined pills should be avoided in any woman at increased risk of clotting. In women who test positive for antiphospholipid antibodies, with or without antiphospholipid syndrome, estrogen-containing contraception is absolutely contraindicated; progestin-only pills, the implant, or an IUD are the preferred alternatives.

Progestin-only pills

These are an option for women who cannot take estrogen. Importantly, they can be used by patients who are aPL positive and by those with active lupus, which is where the combined pill runs into trouble.

The trade-off is reliability. They are less effective, can cause irregular bleeding, and must be taken at the same time every day to work properly.

Depo-Provera injections

Depo-Provera is injected under the skin or into muscle and lasts three or four months. It can be used by women who cannot take estrogen-containing pills.

Its potential side effects are blood clots, osteoporosis, weight gain, and vaginal bleeding. Avoid it if you are at risk of osteoporosis, or if you are positive for antiphospholipid antibodies, which applies to a large proportion of lupus patients.

Vaginal rings

Vaginal rings release estrogen and progesterone and deliver roughly the same amount of estrogen into the bloodstream as the pill. They have not been studied in lupus specifically, but they are probably safe for women with inactive lupus who are aPL negative.

The one method to avoid entirely: the patch

Transdermal patches contain estrogen and progestin absorbed through the skin, and are usually changed weekly.

The problem is that they produce higher estrogen blood levels than either the pill or the vaginal ring. That could mean higher rates of both lupus flares and blood clots.

If you take mycophenolate, read this

Mycophenolate, sold as CellCept and Myfortic, lowers estrogen and progesterone hormone levels in the body. That in turn reduces the effectiveness of hormone-based contraception, including over-the-counter emergency contraception such as Plan B.

This is easy to miss, and the consequences are serious given that mycophenolate causes birth defects.

If you take mycophenolate:

  • An IUD is the recommended form of contraception.
  • Alternatively, combine a progestin-based method such as an implant or pill with a barrier method such as a condom or spermicide.

Emergency contraception

Levonorgestrel, sold over the counter as Plan B One-Step, must be taken within 72 hours of unprotected intercourse, and is most effective within the first 24 hours. When taken as directed, it is 97% effective.

It is safe for lupus patients. As above, it may be less effective in women taking mycophenolate.

Barrier and other methods

Condoms are safe in lupus and are the only method here that also reduces transmission of sexually transmitted diseases. With perfect use, pregnancy occurs about 3% of the time with male condoms and 4% with female condoms, though with typical use around 1 in 5 couples become pregnant over a year.

Diaphragms are dome-shaped devices placed over the cervix and should be used with spermicide. They do not protect against STDs. About 12% of couples become pregnant over a year, falling to 6% with perfect use. Some women find them irritating or are allergic.

Cervical caps, such as FemCap, are prescription only and best fitted by a doctor. They work considerably better in women who have never given birth, where about 1 in 6 become pregnant in a year, compared with closer to 1 in 3 in women who have had a baby.

Spermicides contain a chemical that immobilizes sperm. Over-the-counter versions contain nonoxynol-9, and there is a prescription acidic preparation sold as Phexxi. Spermicide must be placed at the cervix up to an hour before intercourse and is useless afterward. It should be used alongside a barrier method, never as primary contraception, since close to 30% of couples using it alone become pregnant within a year.

Withdrawal is safe in lupus but not effective, partly because it requires self-control and partly because pre-ejaculatory fluid often contains enough sperm to cause pregnancy.

Fertility awareness methods, also called natural family planning or the rhythm method, involve tracking cycle length, cervical secretions, and body temperature to avoid intercourse during the fertile window. Even with perfect knowledge and use, around 1 in 4 couples become pregnant within a year. This is not a reliable form of contraception.

What if you become pregnant unexpectedly

Many of the medications used to control lupus are considered compatible with pregnancy, including hydroxychloroquine, azathioprine, tacrolimus, cyclosporine, and prednisone. If your lupus has been well-controlled going into pregnancy, your chances of a healthy pregnancy are good. The most important step is to plan ahead with your rheumatologist and obstetrician so they can review your treatment before you conceive.

In that situation, you should take daily low-dose aspirin, provided you are not at high risk of bleeding, and contact both your rheumatologist and your OB/GYN right away.

If you are taking any pregnancy-unsafe medication, or your lupus is active, the situation is more complicated. Stop the unsafe medications and contact your rheumatologist and OB/GYN immediately. You should also be seen by a high-risk obstetrician, meaning a maternal-fetal medicine specialist, or by a pregnancy medication specialist.

Frequently asked questions

An IUD for most patients. The hormonal LNg IUD results in only about 1 pregnancy per 500 couples per year, lasts 7 years, and tends to reduce menstrual bleeding. The copper IUD is similarly suitable and lasts 12 years or more. Progestin implants are equally effective and are an excellent alternative.

Possibly, depending on your situation. Low-dose estrogen pills are generally safe if your lupus is well controlled and you are negative for antiphospholipid antibodies. Avoid them if you are aPL positive or at higher risk of blood clots, and they have not been studied in moderate or severe active lupus.

No. Patches deliver higher estrogen levels than pills or vaginal rings, which could mean more lupus flares and more blood clots. Avoid them with lupus and in anyone with antiphospholipid antibodies.

Yes. Mycophenolate lowers estrogen and progesterone levels and reduces the effectiveness of hormone-based contraception, including Plan B. An IUD is the recommended option for women taking these medications.

Yes, but the options narrow. Progestin-only pills can be used with active lupus and with antiphospholipid antibodies. IUDs and progestin implants remain suitable. Combined estrogen pills, patches, and Depo-Provera are the ones to avoid.

At least six months of good control before attempting pregnancy.

For more in-depth information on Birth Control and Lupus: Safest Options and Which to Avoid:

Read more in The Lupus Encyclopedia, edition 2

Look up your symptoms, conditions, and medications in the Index of The Lupus Encyclopedia

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