One in six couples will have a fertility issue at some point in their lives and one in 10 couples will have trouble conceiving their second child. You are not alone.
Don’t panic, your fertility journey doesn’t have to be an express service straight to IVF. Some simple changes can improve your chance of conceiving naturally.
Whether you're just starting out or you've been trying for a while, it's important to remember the emotions, worries and thoughts you are trying to deal with are valid and common. You are not alone.
The World Health Organisation predicts that infertility will be the third most serious health condition in the 21st Century
We're dedicated to helping you achieve your dream - having a baby. We offer a range of services - from counselling through to IVF & pre-implantation genetic diagnosis - all with the aim of easing your journey to successful pregnancy.
Are you a female struggling to conceive? Read through potential reasons why, or learn more about testing options.
With 40% of fertility issues being male related, it may be time to find out more.
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Established in February 2014, Genea Oxford Fertility offers Christchurch couples access to treatment options for all of their fertility needs.
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Heartbreaking as they can be, sadly miscarriages are not uncommon. While we realise it’s of little comfort, if you’ve lost a baby through miscarriage, you are not alone. Approximately 15 to 20 per cent of all pregnancies end in miscarriage - often in the first trimester. The Australian Longitudinal Study on Women’s Health found for every three women who have given birth in their early 30s, one has had a miscarriage. These figures increase with age, so in your late 30s the risk of miscarriage is close to 25 per cent and by the time you’re in your 40s, you have only a 50 per cent chance of carrying a baby to term. Miscarriage is a sad but normal part of human reproduction.
Miscarriage is the spontaneous loss of a pregnancy before 20 weeks and most miscarriages can’t be prevented. Most of these babies will have already died in the uterus before the miscarriage occurs - unfair as it seems sometimes it’s nature’s way of ending a pregnancy that isn’t developing as it should.
The loss of a pregnancy, at any stage, can be an extremely difficult and emotional time for many couples, particularly if it happens repeatedly or following infertility. But most miscarriages are what we call a single pregnancy loss - an isolated instance of miscarriage that conversely enough actually shows your body’s reproductive system is working. Most women who miscarry can conceive again and go on to deliver a healthy baby.
However, some women devastatingly experience more than one miscarriage. We call this recurrent pregnancy loss or recurrent miscarriage and while still not unusual – one in 20 couples experience two miscarriages in a row - it is obviously a sign that something isn’t working. If you’ve experienced two or three miscarriages in a row, come and talk to one of our Fertility Specialists with miscarriage management expertise about how we can help you achieve your dream of having a baby.
We understand that you often desperately want to know what causes a miscarriage but unfortunately there are a number of reasons why a pregnancy might end unexpectedly and it’s not always straightforward for your doctor to figure out why. While it’s worthwhile investigating for underlying causes, in 50 per cent of cases we will not find a medical explanation. And for these couples, the likelihood of a pregnancy after a miscarriage leading to the birth of a healthy baby is not that different to the overall chance of success based on the woman’s age.
Some of the more common causes include:
Chromosomes are tiny structures inside the centre of all cells that come in pairs, one from each parent. Each chromosome carries many genes and it is these genes that define all of a person's physical characteristics (such as sex, blood type, hair & eye colour ... to mention just a few). Having too much or too little of a chromosome causes an imbalance in gene activity.
This imbalance or random genetic abnormality is the most common cause of miscarriage, about nine out of 10 genetically abnormal pregnancies will not survive past the first trimester. In normal human cells there are 46 chromosomes, which contain DNA and genes. When cells have the wrong number of chromosomes, the error is known as aneuploidy. You’ve most likely heard of Down syndrome - it’s the best-known example of aneuploidy and is the result of having three copies of chromosome 21.
Around seven out of 10 first trimester losses are caused by chromosome problems.
These miscarriages happen by chance. In most cases, there is nothing wrong with the mother or father's health and miscarriage is not likely to occur again in a later pregnancy.
There is, however, an important exception - something called balanced translocations
If one of you has a balanced translocation, it means that you have the correct amount of each chromosome, and so no outward signs of genetic abnormality, but your chromosomes are arranged incorrectly, which will cause problems when the chromosomes divide - as in the creation of sperm and eggs.
If a translocation is suspected as the cause for recurrent pregnancy loss, both parents can be tested. If it’s possible we can also test the tissue from your lost pregnancy to confirm the finding.
Once we’ve confirmed that a translocation is causing the problem, there are several options we can help you with. As you can see in the diagram, there’s a 50 per cent chance the embryo will have a normal balance of chromosomes - although there is a chance that it will carry a translocation itself.
If you continue trying to get pregnant naturally, these odds determine your chance (other factors aside) of carrying a child to term and that child being healthy.
Several abnormalities of the uterus are commonly linked to repeated pregnancy loss. Most of them can be treated with surgery. These abnormalities include:
Although we’ve known for a considerable amount of time that a woman's blood becomes thicker in pregnancy, it’s only recently been established that this process can be more pronounced in some women compared with others. Blood clotting disorders (thrombophilias) can be genetic or acquired - that is you can inherit them from your parents or you might develop them as you age.
It can be a bit hard to get your head around but Antiphospholipid antibodies cause your blood to clot more easily - the two most important types of antiphospholipid antibodies are the lupus anticoagulant and the anticardiolipin antibodies.
If you have a history of recurrent pregnancy loss and you have persistently tested positive for either lupus anticoagulant and/or high levels of anticardiolipin antibodies then your diagnosis is Antiphospholipid Syndrome.
Inherited versions of thrombophilias include Factor V Leiden. If blood clots occur in the blood vessels of the placenta, the blood flow to the baby is decreased and this can lead to either second trimester miscarriage or, if the pregnancy proceeds, to the birth of a baby that is smaller than he or she ought to be. Women with these disorders are also at risk of developing high blood pressure later in pregnancy.
For a long time, it was believed that thicker, "sticky" blood could cause first trimester miscarriages because it led to blood clots in the developing placenta which prevented the embryo from getting the oxygen it needs. We now know that the first trimester placenta doesn't actually have any blood flowing through it - blood vessels are developing but they are plugged by placenta cells. Also, our experience with embryos in IVF has taught us that oxygen is toxic to early embryos, so direct blood flow would be damaging.
What we believe now is that the antiphospholipid antibodies in acquired thrombophilias (or the proteins made by genes in inherited thrombophilias) prevent the placental cells from properly attaching to the mother's uterus. Without normal placenta development, the embryo cannot grow.
Our immune system is designed to recognise and attack foreign substances within the body. Antibodies are formed to help the body fight off disease and heal itself in case of infection. These disorders are called auto-immune diseases - Antiphospholipid Syndrome which we mentioned above is one example.
Normally in pregnancy, the mother's body protects the "foreign" foetus from attack by her own antibodies but we believe this protection might be missing from the blood of some women who have had repeated pregnancy loss.
Other immune system problems can be caused by differences between the mother and the foetus and even between the mother and the father. There are tests we can conduct to help find out if you have a problem in your immune system.
There are a number of hormonal disorders that are commonly associated with recurrent pregnancy loss. The four most common hormonal disorders are:
Low levels of progesterone hormone are frequently found in women who are suffering recurrent miscarriage. However, low progesterone levels in early pregnancy reflect the fact that the pregnancy has not implanted successfully in the womb lining, rather than the fact the developing placenta is not producing enough progesterone to maintain the pregnancy. This is an important point - low progesterone is the effect, not the cause of the miscarriage. This explains why giving women progesterone and/or hCG hormone injections in early pregnancy won’t help you avoid a miscarriage. There is an exception to that rule and that’s when we take advantage of the immunosuppressant effects of progesterone in women who are found to have immune problems.
Follicle stimulating hormone (FSH) drives the ovary to start growing follicles. Some women with a history of pregnancy loss are also found to have high FSH levels because unfortunately their ovaries have become prematurely menopausal. Although rare, this is obviously a very important problem to identify. If your FSH levels are high, one of Genea Oxford's Fertility Specialists can help you make a plan to deal with the problem.
Currently, the only way to determine how your endometrium will respond to implantation is to take a sample of it and look at the histological (microscopic) evidence of the state of the tissues. We can perform an endometrial biopsy - fortunately it’s no more uncomfortable than undergoing a cervical smear (pap smear) test.
Often, a pelvic ultrasound shows women who are suffering recurrent miscarriage have polycystic ovaries (PCO). This is a common condition, found in 25 per cent of all women, which involves multiple small cysts within the ovary or ovaries.These cysts aren’t dangerous but they can’t be removed as they are within the ovary. Polycystic ovaries can sometimes be associated with a number of hormonal imbalances such as increased production of luteinizing hormone (LH) and testosterone. A number of carefully designed studies have shown that neither PCO nor high LH levels are a cause for recurrent miscarriages.
The role that vaginal infections may play in recurrent pregnancy loss is the subject of a new field of research. Infection may well play a role in causing late pregnancy losses (14 weeks gestation) in a small number of women but it is unlikely to be important in causing early miscarriages.
The risk of miscarriage may be increased in pregnant women who:
However, almost every time a pregnancy fails, it’s about the embryo. It’s almost never about anything that the woman has done or not done. It’s also important to remember that there is almost always nothing that could have been done to prevent a pregnancy being lost and nothing that can be done to hang on to a pregnancy that is destined to end in miscarriage.
Within the first 12 weeks of pregnancy, there are three different types of miscarriage that can happen (once a pregnancy reaches the 12 week mark, the risk of miscarriage falls to just two per cent):
Your pregnancy has ended and all of the tissue has been passed.
Some, but not all of your pregnancy and remaining tissue has been passed. You will need a dilation and curettage (D&C) to minimise risk of infection and haemorrhage.
Your pregnancy has failed and your foetus has stopped growing but nothing has been passed yet. The only way to diagnose a delayed miscarriage is through ultrasound.
Sometimes women will experience cramping and heavy bleeding, but for some women there are no symptoms and the foetus dies but stays in the uterus. This is known as a ‘missed’ or ‘silent’ miscarriage and women are usually given the option of having a surgical procedure or waiting for nature to take its course and for the foetus to be passed from the uterus.
If you have three miscarriages in a row, you will usually be referred to a specialist who may order some tests to see if there is an underlying cause.
However, more than half of the time these investigations don’t find any explanation for the miscarriages – while it may be frustrating not to find a reason, this is actually good news. It means you are likely to achieve a healthy pregnancy in the future without medical intervention. That said, because fertility declines and the risk of chromosome problems increases as we age, women in their mid to late 30s might be referred for investigations after two consecutive miscarriages.
Depending on what is discovered through these tests, we can work with you to make a plan to maximise the potential of having a baby.
Depending on what is discovered through these test, we can work with you to make a plan to maximise the potential of having a baby. Contact us for more information.
Random chromosome problems are thought to be the cause of the majority of miscarriages – where a genetically abnormal embryo implants in the uterus, but is destined to fail. While normal advice to couples is to keep trying, we understand that the emotional toll of repeated miscarriage can be immense. Another fact to keep in mind is that the chance of chromosome errors increases as you get older.
If you need more info, have questions or just want some advice on your next steps feel free to ask me.
A departure from what’s normal - in a more or less exact medical sense. An abnormality...
A small fluid-filled cyst on the ovary in which the eggs grow until released and which produce...
When an egg (oocyte) is fertilised by a sperm outside of the body it is via a...
The delivery of (or the process of delivering) a conceptus before there is a viable fetus....
The percentage likelihood/chance that a pregnancy will end as a miscarriage. Generally...
Two or more consecutive miscarriages.