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COVID-19 and Your Placenta

Your Placenta and Viruses

The placenta is one of the most important aspects in a healthy pregnancy. Your placenta will carry oxygen, nutrients, hormones and blood to your growing baby. The unwanted waste will also be flushed out through the placenta. Another major role is protecting your baby from sicknesses. The placenta is the life giving connection between you and your baby!

There are still unknowns about the placenta however. One of them is how viruses interact with it and what exactly is happening when those viruses cause problems. The outcomes of similar viral infections are known though and can include, miscarriage, preterm labor, stillbirth, fetal disease, seizures, mental disabilities and delays, and disease later in life like diabetes (Annual Review of Virology).

The Placenta and COVID-19

Reports of miscarriages, fetal distress and stillborn babies are being linked to COVID-19. According to CNBC obstetricians are reporting a rise in miscarriages since the pandemic started. They are unable to officially link this to the virus but view it as related. This is not surprising. The Journal of the American Medical Association (JAMA) reports that 40% of pregnant people with cases of MERS and SARS (both types of coronavirus) resulted in a miscarriage or effected growth.

Learning from the past and similar situations is a great way to keep ourselves safe and knowledgeable. In an article published in the Elsevier Public Health Emergency Collection, data from the 2002-2003 outbreak of SARS and MERS illustrates what can happen when infected with a virus. In pregnant SARS patients: 57% had a miscarriage in the 1st trimester, 40% had fetal growth restriction and 80% had a preterm birth, 25% died during pregnancy. In pregnant MERS patients: 91% presented with adverse outcomes, 44% of neonates required admission to the ICU, and 27% died.

Data is emerging for the new COVID-19 and its effects on pregnancy. Time will reveal more. The CDC states on their website, “A small number of other problems, such as preterm (early) birth and other problems with pregnancy and birth, have been reported in babies born to mothers who tested positive for COVID-19. We do not know if these problems were related to the virus.”

A study at Northwestern found placental injury, blood clots and abnormal blood flow in the placenta of people testing positive for COVID-19. One of the assistant professors of pathology at Northwestern says, “There’s an emerging consensus that problems with blood clotting and circulatory problems are a feature of the coronavirus, and I think our work shows there might be something clot-forming about coronavirus, and it’s happening in the placenta.”

In an article published by JAMA the details of one miscarriage related to COVID-19 are explained. A pregnant woman in her 2nd trimester with COVID symptoms took herself to the hospital. She was given acetaminophen and sent home. Two days later her symptoms did not stop and she started to experience severe contractions and a high fever. Her baby was unfortunately stillborn. The baby was not found to be infected with COVID, neither was the amniotic fluid. But when the placenta was biopsied the virus was found. The doctors could find no other reason for the stillbirth. The virus was then found in the woman’s nasopharyngeal swab.

What Can You Do?

Unfortunately the thing we keep hearing over and over is, more research needs to be done. It is understandably hard to collect data from large numbers of pregnant women, especially ones that are infected. On top of that we don’t know exactly how the virus works or how viruses in general interact with the placenta. 

Taking precautions is the very best thing you can do right now. Sanitizing, limiting social interactions, social distancing, wearing protective equipment and just all around being mindful is your best course of action.

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Fecal Transmission of COVID-19

Fecal Transmission of COVID-19


The outbreak of COVID-19 has everyone covering their faces, washing their hands and practicing social distancing. Those that are pregnant are even more cautious. This is wise because pregnancy weakens the immune system making you more vulnerable to sickness. One of the most concerning parts of our situation is that so little is known about the virus. This makes every precaution worth while, especially when it comes to the health of your baby.

The World Health Organization states that COVID-19 is transmitted through respiratory droplets containing the virus or the virus being suspended in the air. This is why staying away from people, facemasks and sanitising are so important. But exposure to COVID-19 isn’t limited to the routes everyone is talking about.

COVID-19 – Not Just Respiratory


Some patient results listed in Nature Reviews Gastroenterology & Hepatology found that

those that are no longer testing positive for Coronavirus in their respiratory system are consistently still testing positive in rectal swabs. 

A study in the American Journal of Gastroenterology found that 99/204 patients stated digestive problems as their main issue (diarrhea, vomiting, nausea) resulting from their COVID-19 infection. There have even been patients that did not exhibit signs of respiratory problems that have tested positive in their rectal swab. Not all patients experience the discomfort in their stomachs either. Unfortunately that means even if you aren’t having trouble breathing or having stomach issues, you could still have the virus.

Researchers say that the virus could stay around longer in the digestive system than in the respiratory system. The City University’s Department of Architecture and Civil Engineering published that toilets can spread left behind bacteria far into the air and the surrounding objects through droplets from flushing. 

How COVID-19 reacts with the gastrointestinal tract and is spread through fecal matter and even in water are still some of the unknowns.

Pregnancy and Stomach Problems


The issues a normal person might face if they contract the virus are horrible. If you are pregnant, the worry of course increases. Gastrointestinal issues and pregnancy are of concern when it comes to pregnancy. A study published in the Open Forum for Infectious Diseases found that in a sample of 527 pregnant women experiencing diarrhea, a small gestational age was increased by approximately 20%.

Dehydration from diarrhea can lead to serious health complications and even be fatal for both mother and baby. Dehydration can affect how nutrients are carried throughout the body and negatively impact breast milk production. Dehydration can also lead to low levels of amniotic fluid. Amniotic fluid is essential to your baby’s development and can increase the chance for preterm labor. 

The Bottom Line


Nobody knows all of the facts about COVID-19. The new research being done on the virus and fecal matter illustrates that taking more safety measures is better right now. In addition to your respiratory defenses you should also be taking care in the bathroom.

  • Don’t use public restrooms

  • Wash your hands thoroughly after the bathroom

  • Put your toilet seat down when flushing

  • Clean and disinfect your bathroom and toilet often

  • Don’t hug the toilet if you’re experiencing morning sickness






CDC Recommendations/Higher risk of respiratory infections:⁣⁣⁣⁣⁣⁣