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Methotrexate can help people manage their RA symptoms, but it can also cause severe toxicity.
In this article, we provide important information on how methotrexate affects women during pregnancy.
What happens if you take methotrexate during pregnancy?
Taking methotrexate for rheumatoid arthritis can cause birth abnormalities.
Methotrexate minimizes the body’s immune response and reduces folic acid in the body. Folic acid plays an essential role in how a fetus develops in the womb.
The Food and Drug Administration (FDA) do not approve the use of methotrexate during pregnancy. They state that people should avoid pregnancy if either partner is taking the drug. People should also avoid methotrexate when breastfeeding.
Taking methotrexate in pregnancy may lead to birth abnormalities that affect a child’s physical and mental development. In some cases, methotrexate can result in fetal death.
Examples of birth abnormalities that methotrexate may cause include:
- Neural tube defects that affect the brain, spine, or spinal cord. These include spina bifida and encephalocele, a protrusion at the base of the skull.
- A cleft palate.
- A condition called cleidocranial dysostosis, which causes abnormalities in the teeth and collarbones.
- Hypertelorism, which is a greater distance than normal between two body parts, often the eyes.
Effects of the father taking methotrexate
Methotrexate can affect the fetus if either parent has been taking it. Males should not take methotrexate when trying for a baby.
People can avoid unplanned pregnancies by using an effective form of birth control. These include condoms, the birth control pill, and intrauterine devices (IUDs).
When is it safe to get pregnant after stopping methotrexate?
According to the FDA, males should stop taking methotrexate at least 3 months before getting a partner pregnant. Females should wait for at least one cycle of ovulation before trying to become pregnant.
Methotrexate and ectopic pregnancy
Doctors may use methotrexate injections to treat an ectopic pregnancy because they interrupt the growth and division of a fertilized egg.
Specifically, methotrexate interrupts the supply of a hormone called human chorionic gonadotropin (hCG) to the fertilized egg. Without hCG, the egg cannot grow.
An ectopic pregnancy occurs when a fertilized egg implants outside of the womb. This serious condition can lead to complications, such as internal bleeding, infertility, and, in some cases, death.
Symptoms of an ectopic pregnancy include:
- vaginal bleeding or spotting
- cramping or abdominal pain
- skin sensitivity
According to a 2014 retrospective study, methotrexate had an 87% success rate in treating ectopic pregnancies.
What to do if you become pregnant while taking methotrexate
A woman taking methotrexate can speak to a doctor about alternative medication for RA.
If a woman who is taking methotrexate suspects that she is pregnant, she should take a pregnancy test as soon as possible. If the test is positive, she should stop taking methotrexate and see a doctor straight away.
A doctor can offer advice about alternative RA medications to take during pregnancy.
The authors of a 2016 article suggested the following drugs as suitable alternatives to methotrexate during pregnancy or when trying to conceive:
- corticosteroids at low doses
People can also take over-the-counter nonsteroidal anti-inflammatory drugs (NSAIDs) during the first two trimesters to help manage RA symptoms. However, women should consult their doctor before taking any medication while pregnant.
All medication has the potential to cause side effects. People can discuss their options with a trained healthcare professional.
Methotrexate, a common treatment for RA, can cause birth abnormalities if either partner takes the drug during conception or pregnancy.
Women who become pregnant while taking methotrexate should stop taking methotrexate and contact a doctor as soon as possible. Partners should stop taking methotrexate at least 3 months before getting pregnant.
People using methotrexate who are planning on becoming pregnant should speak with their doctor first. A doctor can advise people on their best alternatives for treating RA during pregnancy.
What to know about rheumatoid arthritis during pregnancy
Many women with rheumatoid arthritis experience a reduction in symptoms during pregnancy. However, this is not always the case, and some women may experience a flare shortly after childbirth. In this article, learn how rheumatoid arthritis affects pregnancy, including the possible risks and impact on symptoms.
Is chemotherapy effective for rheumatoid arthritis?
Chemotherapy drugs, such as methotrexate, are one of the first-line treatments for people with rheumatoid arthritis. These drugs can help relieve symptoms and prevent further joint damage. However, they can cause a number of side effects, and doctors will closely monitor people on these drugs. Learn more here.
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Source Article from https://www.medicalnewstoday.com/articles/325549.php