How can endometriosis affect implantation rates in IVF

Explained by: Harry Karpouzis, MD, IVF Pelargos Fertility Group
Category:
Related IVF videos:
From this video you will find out:
  • What are the endometriotic lesions?
  • What is the link between endometriosis and infertility?
  • What is the effect on ovarian reserve?
  • What surgical treatment can be performed for endometriosis?
  • What is BCL6 Test?
  • Is IUI an option in endometriosis patients?
  • Does an IVF protocol play a role?
 

All you need to know about endometriosis and IVF implantation rates

In this webinar, Dr. Harry Karpouzis, MD, Founder & Scientific Director at IVF Pelargos Fertility Group, Athens, Greece has been explaining how endometriosis can affect implantation rates and what can be done to improve your IVF chances.

All you need to know about endometriosis and IVF implantation rates - Questions and Answers

Do you think that IVF doctors who say that IVF ‘bypasses’ endometriosis issues are not acting with the best information?

IVF bypasses a lot of endometriosis issues, for example, if the tubes are blocked, then the only solution is IVF. If the AMH is very low, then all other treatments have much lower chances of success. If there is a lot of toxic environment inside the tummy with the correct protocol and fertilization outside the body, we can increase the chances of creating a good embryo. Definitely, IVF, as I said in the presentation, is the best treatment, but as we know, IVF does not guarantee anything in any patient, I mean even in women who are 30-years-old. IVF has got a ceiling of success rates, and we don’t know why it doesn’t work in some cases. Endometriosis is a very weird disease, there are a lot of things that we don’t know about it. In general, the success rates in endometriosis patients are lower without really knowing why it is lower even with IVF. IVF is the best treatment and bypasses a lot of issues, so no, they are not wrong.

I am 34 with 1.1pmol AMH. I had surgery done during diagnosis and got only adhesions cut, not removed. My doctor thinks it will cause more harm. I also have endometriomas on my left ovary 2cm. It wasn’t there when I was diagnosed last year. What can I do to improve my chance of success at IVF? I am due my 1st round soon.

You need to go ahead with IVF because I don’t know how long you’ve been trying, especially if you’ve been trying for more than one year or more than that, the answer is IVF. I wouldn’t operate you either with that low AMH. I would start with a protocol with the right dose and the right protocol and stimulate your ovaries because you do have disease inside your tummy, and you do have active disease. According to our protocols, if we get embryos and we have some good embryos, we would probably freeze them, down-regulate the disease with GnRH injections, and then transfer on a frozen cycle. Every clinic has got its own policies and its own protocols, so that can differ.

In your presentation, it stated that ‘free iron can affect the quality of oocytes’. What does that mean exactly? I suffered from severe endometriosis my entire life and also anemia and was told to take iron supplements. Could this have caused my miscarriages or lack of ability to get pregnant even with many, many IVFs?

I was trying to explain the ways that endometriosis affects the ovaries. One of the ways is that endometriosis is deposits of blood inside the tummy. Blood has got iron inside, hemoglobin has got iron, so we have a lot of iron inside the tummy because of the disease, and this iron can be toxic to the ovaries. This is a theory to show how it can affect the ovaries, so it’s not anemia related, it doesn’t have anything to do with that. About the miscarriages and the inability to get pregnant, it depends on many things, it can depend on the disease itself, the quality of your eggs, your age, and other factors. There are a lot of investigations of miscarriages that most probably you have already done, and usually, IVF is the best solution, but it depends on your medical care.

What is an example of GnRH medications?

GnRH analogs medications are injections that are given to down-regulate the ovaries, or they can be given daily for 14 days in a smaller dose to do the same job. Actually, GnRH is a medical treatment of endometriosis but not only endometriosis, it suppresses the ovaries and the disease at the same time, which is dependant as we know on hormones, it controls the hormones so that we can deactivate the disease and transfer embryos or stimulate the ovaries.

Can you say more about down-regulation stimulation protocols? What about the suppression before FET?

There’s a long protocol that we give injections for many days, which are different, it’s GnRH agonist. In a short protocol, we give injections for less time, and we use a different sort of medication to prevent ovulation, which is the antagonist. Every protocol depends on its independent situation, on the age, the AMH. In our clinic, we usually prefer to use the antagonist protocol, which is more convenient for the patient as well. We think that we get more eggs, and we prefer freezing and transfer on the frozen cycle after we down-regulate the ovaries, and we down-regulate the ovaries with the injections that I just mentioned before or the pill, the combined pill. In a frozen embryo transfer, you can do it in 3 ways. The first way would be in a natural cycle.

The second way would be on an estrogen replacement, which means that you get estrogen to increase the thickness of your endometrium, and then you start the progesterone. There is a third way, which is to suppress the ovaries. We suppress the ovaries by the GnRH analog injections, which are given either on day-21 or day-1 of the cycle. After that, you start the estrogen replacement. In endometriosis usually, we prefer to do that especially, if we know or we suspect that there is active disease inside.

Are there things that we can do to give us better chances of falling pregnant naturally or with IVF with a diagnosed endometriosis?

Keeping a healthy lifestyle, taking some multivitamins, some antioxidants, avoiding smoking and drinking alcohol, such things can help you with endometriosis actually, that can help in the IVF or the medical treatment to get better results.

Does surgery/removal of endometriosis only affect AMH when it involves the removal of lesions from the ovaries? I have had one laparoscopy 10 years ago. Endometriosis excised from my bladder, Pouch of Douglas, and bowel. After having my eggs frozen for fertility preservation, my endometriosis pains have come back worse. My GP is suggesting another laparoscopy, but I already have very low AMH.

When you don’t have surgery in the ovaries, and you have surgery in other parts of the tummy, usually this surgery does not affect the AMH. The disease itself even, without surgery can affect the AMH, and as I said in my presentation, we have seen that women with endometriosis even with endometriomas or without endometriomas, which means even with cysts or even without cysts have been shown to have lower AMH. There is data that shows that it’s not only that the AMH is lower, but it’s also declining more steeply. Your low AMH can depend on the disease itself or can be completely irrelevant. It’s not because of a surgery, that doesn’t have to do anything with the ovaries. If you are in pain, it is a priority if you need to make the quality of your life better, then surgery is needed. If it is a matter of fertility, then it needs to be a very well balanced decision. Given the fact that you have some eggs stored and frozen, this is a good investment.

Is there a gold standard for hormonal management of endometriosis?

If we are talking about fertility, there is no golden standard of what we need to do or what protocol we need to use. That’s what I have explained in the presentation. There are many different things that we can do and what we need to do in each case depends on it. It’s a personalized decision, it depends on many things like ovarian reserve, the grade of the disease, the age of the woman, of the tubes if they are patent or not, many things.

What is the age limit at your clinic (IVF Pelargos Fertility Group)?

The upper age limit to have IVF in Greece is 50 years old. We cannot do egg donation or IVF after 50. If we are talking about IVF with own eggs legally, it can happen up to 50, but for patients over 45 years old, the chances are very low.

Next month I am planning FET in a semi-natural cycle with estrogen stimulation right before ovulation. How many days before ovulation do I need to use estrogen? What dose? I have regular ovulation

First of all, when you have a frozen embryo transfer, there is no ovulation. The whole point is not to have ovulation, so if you are having a cycle with estrogen usually, you take the estrogen between 12 or 18 days depending on if the lining of your womb will increase in size nicely or not. Then, you need to start the progesterone, and depending on embryos, you have day-3 or day-5, and then you have the embryo transfer. If you have frozen embryos, the whole point in transferring an embryo is to stimulate your ovaries, to prepare your ovaries with estrogen so that you can increase the lining of your womb. You don’t want ovulation at the time of the frozen embryo, so the pills that you take stop the ovulation.

What was the most advanced age where a patient had a baby with her own eggs at your clinic?

It was a 47-year-old woman, but it doesn’t happen often. We have 1 patient like this every year. Honestly, the chances with own eggs at the age of 47 are very, very low, and at the age of 45 and more, the chances of success are very low. Depending on the case and AMH levels, someone can try as long as the person is aware of the real chances. I always try to be honest with my patients and give them real chances, and then the decision depends on them.

Will it be a problem when it comes to embryo transfer if I can’t take estrogen? Due to being in a higher category risk of stroke.

There are other ways of doing it, you can do it in a natural cycle or with Letrozole, which is a special medication that keeps estrogen low. There are other options, if you cannot take any estrogen and there is a specific reason for that, then yes, you can do it in other ways.

Can repeated IVF cycles worsen the endometriosis or cysts in breasts? Can endometriosis and fibroids cause recurring miscarriages?

Some data is non-conclusive that relates endometriosis with miscarriages. Fibroids also can cause miscarriage depending on their position, but not all fibroids. If we have a fibroid that is outside the cavity, then usually that won’t cause miscarriage. Can repeated IVF cycles increase and worsen endometriosis? The answer is yes, it can happen. If there is an active disease at the time of the stimulation, sometimes we see that the disease may flare up, but of course, if you get pregnant, then the disease is getting much better. It’s the same with cysts in the breasts sometimes, an increase of estrogen can increase them but imagine that in pregnancy, the estrogens go up more, so this can happen in pregnancy too.

What is recommended endometrium thickness in the natural cycle for FET in time of ovulation?

It needs to be more than 8 ideally, more than 9, sometimes more than 7, less than 7, is not good.

What can we do to achieve optimal endometrium thickness in a natural cycle?

Usually, in a natural cycle when you do the embryo transfer, when you have a follicle, which is the right size, you do have an endometrium which is more than 7, you just need to keep an eye on the follicles. You need to know when you give the trigger injection when you have the embryo transfer. The correct timing of the whole procedure in the natural cycle is very important because sometimes the right timing can be missed. If there is a problem with the endometrium and it is not getting thick enough, then usually you cancel the cycle, and the next time you try with estrogen pills. You can also try another medication, which is called Letrozole if you cannot take estrogen, so there are options.

What chances of pregnancy does a patient with PCOS have in IVF treatment?

If someone has PCOS and needs IVF, there are special protocols that we can use to stimulate such patients. We minimize the risk of hyperstimulation, and we get as many eggs as possible, so it’s a different thing. There are a lot of people that are having PCOS and some of them, if they don’t succeed in pregnancy with other ways, reach the stage of IVF, and then we have special products for them. Usually, patients with PCOS have got a lot of eggs as well, so usually, we do get lots of eggs.

What are the chances to have a normal blastocyst at 40? I have 4 blastocysts.

First of all, it is very good that you have 4 blastocysts, which means that you have reacted very well. We have a chance of success of about 45%, sometimes even more. At 40, one of them at least can be healthy, and you don’t need anymore, you need one to get a baby.

Authors
Harry Karpouzis, MD

Harry Karpouzis, MD

Dr. Harry Karpouzis is an Obstetrics and Gynecology Consultant, specialized in Reproductive medicine/infertility and minimally invasive surgery, with over 7 years of full-time experience in the field of assisted reproduction. Dr. Karpouzis was fully trained and specialised in the UK. He has worked at some of the busiest hospitals in London (Guy’s & St. Thomas NHS Trust, King’s College Hospital, Newham University Hospital, University College Hospital, Homerton University Hospital. He has been a member of the Royal College of Obstetricians and Gynecologists since 2011 and is a scientific director and founder of IVF Pelargos Fertility Group.
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Caroline Kulczycka

Caroline Kulczycka

Caroline Kulczycka is an International Patient Coordinator who has been supporting IVF patients for over 2 years. Always eager to help and provide comprehensive information based on her thorough knowledge and experience whether you are just starting or are in the middle of your IVF journey. She’s a customer care specialist with +10 years of experience, worked also in the tourism industry and dealt with international customers on a daily basis, including working abroad. When she’s not taking care of her customers and patients, you’ll find her travelling, biking, learning new things or spending time outdoors.

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