Thrombophilia Screenings Before Conception: When Are They Necessary?

When you are planning to conceive, thrombophilia screening is a crucial test. But why is it required? It helps identify blood clotting disorders that may affect your health or pregnancy. It is essential to consider various factors for screening to make informed decisions. Discussing them with your doctor will help you take positive steps towards a healthy pregnancy. This blog explains thrombophilia and why screening for it is necessary before conception.

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A conception journey often involves several tests to make important decisions. One such test is a thrombophilia screening. But what exactly is thrombophilia, and is its screening necessary before you try to conceive?



Thrombophilia may require treatment depending on the type and individual circumstances. Many cases, especially in asymptomatic individuals, do not need immediate intervention but should be carefully monitored to support a healthy pregnancy journey. Understanding the importance of screening and available treatments will help avoid risks in pregnancy.


What Is Thrombophilia?

Thrombophilia is a blood disorder that increases the tendency to clot. Your blood forms clots to stop bleeding, but in thrombophilia, it leads to excessive clotting. This may lead to other serious concerns like deep vein thrombosis (DVT), pulmonary embolism, or pregnancy complications.

You may be unaware that you have thrombophilia until you experience its symptoms or clotting issues. This makes it necessary to get screened, as it can increase the risk during your pregnancy.


Why Consider Thrombophilia Screening Before Pregnancy?

Pregnancy naturally raises your risk of blood clots because of hormonal changes as your body prepares for childbirth. This risk increases when you have a condition known as thrombophilia. Excess blood clots are not good for you and your baby.

Getting thrombophilia screening before conception helps identify clotting disorders. Early diagnosis helps your doctor make a treatment plan to reduce your pregnancy risks.


When Is Thrombophilia Screening Recommended?

While thrombophilia screening is not a routine test before pregnancy, some specific situations may require it.

  1. Personal history of blood clots

The test is necessary if you have a history of blood clot issues, such as those experienced at a young age. Your history of blood clots raises concerns about underlying issues.

  1. Family history of clotting disorders

If you have a family history of thrombophilia, you are likely to inherit the risks of clotting. So, screening before pregnancy may help identify the risks.

  1. Recurrent pregnancy loss or complications

Thrombophilia may cause multiple miscarriages, stillbirths or pregnancy complications like preeclampsia. If you face any of these issues, screening can help you receive the correct treatment.

  1. Previous unexplained pregnancy complications

You may face complications in your pregnancy without any clear cause. Your doctor may suggest thrombophilia screening in such cases to rule out clotting problems.


What Does the Thrombophilia Screen Involve?

Generally, thrombophilia screening involves taking blood samples to test for the presence of either genetic or acquired clotting risk factors. Here are some of the common tests.

  • Factor V Leiden mutation
  • Prothrombin gene mutation
  • Protein C and Protein S levels
  • Antithrombin levels
  • Antiphospholipid antibodies (including lupus anticoagulant, anticardiolipin antibodies)


How Should You Prepare for the Screening?

Before thrombophilia screening, discuss your medical history with your doctor. The following key aspects will help you prepare for the screening.

  • Discuss your past medical record with your doctor before the screening.
  • Inform about any current medications, especially blood thinners or ongoing hormonal treatments.
  • Taking certain medications may also affect the accuracy of test results.
  • You may have to stop taking medicines before the test.
  • Stop medications only under the guidance and advice of your doctor.


Understanding the Results

A positive thrombophilia screen does not always mean you will have problems during pregnancy. It simply means a higher risk of clotting. Your medical team examine your overall health and pregnancy status to create a care plan.

Here are some key points to keep in mind.

  • A positive result indicates a high risk of clotting and does not confirm complications.
  • Your doctor will consider your past medical history before reaching conclusions.
  • Treatment plans are tailored to your specific risk level and health condition.
  • If you test positive, your doctor will recommend appropriate measures to lower your risks during pregnancy and delivery.


What If Your Screening Is Negative?

It can be reassuring to get a negative result for your screening. However, it still does not eliminate the risk of clotting. Your doctor may guide you on following healthy pregnancy habits and identifying warning signs.

Pregnancy itself increases the risk of blood clots, so being aware of the signs helps prevent complications. Please remember the following points to be cautious about.

  • A negative test result reduces but does not remove all clotting risks.
  • Your doctor will continue to monitor your pregnancy to avoid complications.
  • You may need to make lifestyle changes to reduce your risk of clotting during pregnancy.
  • Identifying the signs of clotting, such as swelling, pain, or redness in your legs, will help you get medical support on time.


Benefits of Thrombophilia Screening Before Pregnancy

Your overall health and risk assessment before conception can significantly impact your pregnancy experience and its outcome. Thrombophilia screening is one such test that helps identify potential risks early.

When you are aware of your clotting disorder, you can take proactive measures for your health, leading to a safer pregnancy journey.

  • Early risk identification: Receiving a diagnosis of a clotting disorder early improves your pregnancy planning and outcomes.
  • Personalised care: Receiving treatment based on your health assessment reduces risk factors.
  • Peace of mind: Knowing about your clotting disorder helps ease anxiety and prepare you better for pregnancy.
  • Improved outcomes: Managing thrombophilia with proper medical support prevents pregnancy loss, complications, and severe clotting events.


Potential Downsides to Consider

Anticipating the result of your screening or testing positive may lead to anxiety issues. It is essential to recognise that not all thrombophilia diagnoses require treatment. The results may not be accurate because of other conditions or may be overanalysed. This makes it necessary to get screening only after assessing conditions and requirements.


Discussing Screening with Your Healthcare Provider

If you believe you have high-risk factors or concerns, discuss them with your doctor during your preconception visit. After reviewing your medical history, a screening may be recommended. You can share the following information.

  • Any past blood clots
  • Family history of clotting or pregnancy loss
  • Pregnancy complications you have experienced
  • Current medications or health conditions
Open communication will help in making the best decision for your condition.


What Happens After Screening?

After getting positive results, your doctor may suggest lifestyle changes, low-dose aspirin, or blood thinners during pregnancy. Additionally, regular monitoring will be included in your care plan.

If the result is negative, routine prenatal care with special attention to signs of clot risk is still necessary.

Pregnancy preparation involves many tests to assess your overall health. Thrombophilia screening is one such test to consider when you have risk factors. It is not necessary for everyone, but it can provide important insights for those at higher risk.

A thrombophilia screening is a personalised decision when planning to conceive. Always consult your doctor before getting a screening. This approach ensures you have the safest pregnancy journey.

FAQs on Thrombophilia Screenings Before Conception: When Are They Necessary?

  1. How long does thrombophilia screening take?
    Screening typically involves taking blood samples for diagnostic tests. You may have to wait for a couple of weeks for the result, depending on the lab.
  2. Can thrombophilia be treated during pregnancy?
    Yes, thrombophilia can be treated during pregnancy. Blood thinners are prescribed to reduce risks and promote a healthy pregnancy.
  3. Should my partner be screened for thrombophilia?
    Generally, women require thrombophilia screening. However, if you have a family history or other health concerns, your doctor may also suggest screening for your partner.
Disclaimer: Medically approved by Dr. Shweta Mendiratta, Associate Clinical Director and Head Unit 2 – Obstetrics & Gynaecology, Marengo Asia Hospitals Faridabad