28 January 2022

Vaginal discharge during pregnancy

discharge during pregnancy
By the Editorial Comitee IVI Blog

Pregnancy can be a time of heightened anxiety as well as happy anticipation. It’s understandable that some of the changes that pregnancy causes are themselves cause for concern. However it’s perfectly normal for women to experience increased vaginal discharge during pregnancy. In this IVI blog article, we take a look at its different types. Which of them are normal and on the other hand, which kinds of discharge could be a sign of a health issue or problem? We’ll guide you through a timeline too, to set out what you might expect from early pregnancy discharge, the changes you may see as the pregnancy progresses, and the sort of discharge that is more likely to occur in the final weeks of your baby’s journey towards birth.


What is a normal discharge during pregnancy?

Women between the ages of puberty and menopause have some level of vaginal discharge throughout these years. Levels and type of discharge, dictated by changes in hormone levels, fluctuate throughout the monthly menstrual cycle. It’s the same during pregnancy but usually even more so. When you are pregnant, some degree of vaginal discharge, more than in your non-pregnant state, is normal and entirely healthy. This increased level of discharge helps to protect your uterus, and the developing foetus inside it, from infections travelling up the vaginal canal.

Normal discharge is generally clear or milky white, thin and odourless or mild-smelling. If you find that the amount has increased over normal levels, this is nothing to worry about. It can be easier to cope if you wear unscented cotton panty liners. The reason for it is that higher levels of oestrogen circulating in your bloodstream when you are pregnant cause elevated blood flow around the pelvic area. This stimulates the body’s mucous membranes to produce a discharge. This discharge contains dead cells which are removed and protects the birth canal from infection. Its function is also to maintain a healthy bacterial balance.


What kind of discharge may be a sign of a problem?

Generally speaking, any kind of discharge which is not clear or milky white and smells unpleasant could be a sign of one of a number of problems. Most of them are not serious and treatments are easy. These could include:

  • White and lumpy, rather than smooth, discharge could be a sign of a yeast infection such as thrush. Your body is more susceptible to it to during pregnancy. Other signs of a yeast infection can include painful urination and an itchy or burning sensation.
  • A green or yellow discharge which smells unpleasant could be a sign of an infection caused by an STD such as chlamydia. It’s important to consult your doctor in this case because untreated STDs can cause pregnancy complications. They are usually easily treated.
  • Brown discharge is normally old blood leaving the body and is not usually a cause for concern.
  • Red discharge, i.e. bleeding, may not be a problem if it is very light during early pregnancy. However, your midwife or medical advisor should investigate any bleeding after the first trimester.


Early pregnancy discharge

Many women notice an increase in the normal clear or white discharge during early pregnancy. Some, though not all, also have some slight spotting or very light bleeding that could be a sign of implantation. This is when the fertilized egg has completed its journey from the fallopian tube to the uterus and burrows into the endometrium, the lining of the uterus. This is implantation, and normally occurs within two weeks of conception.

When the embryo burrows into the womb lining, it can damage tiny blood vessels, resulting in the spotting or ‘implantation bleed’. This can be accompanied by slight cramps and is nothing to worry about. For some women, the implantation bleed, which can easily be confused with an early start of your next period, is one of the first signs that they may be pregnant. You can learn more about this in our blog article on the differences between menstruation and implantation bleeding.


Discharge as your pregnancy progresses

Vaginal discharge gradually increases during the course of your pregnancy, being heaviest towards the end. The only time you would need to be concerned is if the discharge were to change color or if you felt any discomfort such as itching or burning. If this happened, it would be sensible to consult your doctor.

If your discharge turns into leaking or even gushing water which is pinkish or clear before 37 weeks, it may be a sign that your waters have broken early. This could result in a risk of infection for both you and your baby. It could also lead to a pre-term birth. If this happens, you should seek help from your midwife or doctor immediately.


Vaginal discharge in later pregnancy

As your pregnancy reaches its final stages, your body starts to prepare for the birth.

  • You could notice during the last week or two that the discharge has streaks of jelly-like, streaky pink mucus. This is called a ‘show’ and is a signal that the mucus plug, which has been blocking your cervix throughout the pregnancy, is starting to fall away. It’s quite possible to have a few small ‘shows’ during the few days before labour begins.
  • At some point your waters will break. If your vaginal discharge turns into leaking or regularly flowing water after 37 weeks, you could be about to go into labour. In that case you should call your midwife or maternity doctor immediately. You may not need to go into hospital straight away. However, your medical team need to record the time that your waters broke and advise you on what to do next.

To conclude, when you are pregnant, vaginal discharge is normal and helps to protect you and your baby from infection. You should seek medical advice immediately if your discharge changes color, has an unpleasant odour, or you have itching, burning or pain. Your doctor should investigate any bleeding, apart from light spotting very early on.

At IVI we can help you with any unusual symptom during your early pregnancy and of course, if you have infertility issues. You contact us through our online contact form, we’ll help you make your dream real.

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