About me

I was born in Villafranca del Bierzo in 1960 and I grew up in La Coruña. I always wanted to be a doctor because helping others is what I like the most.

Since I was a child, music was my other passion, and the desire for self-improvement was my inspiration –the need of constantly improving everything around me.

I studied in Santiago de Compostela and then I went to Barcelona to specialize in gynaecology. I picked Assisted Reproduction because it was a very interesting new science and I fell in love with the embryos.

I have two sons: Borja and Bruno, the oldest son is the 4th generation of gynaecologists, carrying on the name Marquès!

I also have many children in other families: the first thing I do every day when I arrive at the clinic is to check the pregnancy test results; positive results make me happy,  but negative ones make me angry. I won’t be happy until I see that all cycles end in success.

I divide my time as an Innovation Advisor for the FutureLife group, consultations and the R&D team. The scientific platform ResearchGate set me among the top 10% of the most influential researchers in the world. I feel very proud!

My motivations are: our patients, their story, the colleagues at Institut Marquès, team work and everybody who is part of it. I decided to use this blog to share with all of you what happens at the clinic and also my experience as a professional in this field, which, in my opinion, it’s a privilege.



Director Institut Marquès (international Assisted Reproduction center) and member of the Governing Board of Sterility and Infertility Section of the Spanish Society for Gynaecologists (SEISEGO)

Spain Graduated in Medicine and Surgery from the Faculty of Medicine of the University of Santiago, she specialized in Obstetrics and Gynecology in Barcelona.

Dr. Marisa López-Teijón’s scientific publications have achieved an Impact Index (32.55) that places her among the best researchers: The score awarded by the scientific platform Research Gate places her above the 90% percentile. With 59 published articles, her work has been cited on 404 occasions with nearly 6,483 readings.

Areas of medical interest:

The music at the beginning of life: Lead researcher of the study: “Fetal facial expression in response to intravaginal music emission”. The most downloaded study in Ultrasound, the journal of the British Medical Ultrasound Society (BMUS). Ig Nobel Prize of Medicine 2017, the first one in Obstetrics in the 27-year history of the award. (Harvard University, September 2017).

She was named a full member by the “Ilustre Academia de Ciencias de la Salud Ramón y Cajal” and also awarded the “Cordón y Pin Académico”. In 2019 receives the award Dr Gómez Ulla for Healthcare Excellence and the European Medal for Merit in Work 2019 at the European Association of Economy and Competitiveness. Furthermore, she was also named in Spain as “The best doctor of the year in Assisted Reproduction 2019”

Under his direction, during the year 2021, Institut Marquès has been recognised by the European Fertility Society (EFS) with the “Award for exceptional patient experience during fertility treatment”. Also by the international platform ACQ5 in its annual edition of the Gamechangers awards has awarded the centre for the “Best medical practices”. In addition, Dr. López-Teijón has received recognition from the magazine Objetivo Bienestar with the “Innovation Award for her advances in Assisted Reproduction”. She has been included in the ranking of some of the most prestigious business magazines such as The Business Fame, Mirror Review, Industry Wired or Bussines Beyond Exclamation. Aspioneer magazine chose her in its special edition “21 Elite Women in Business, 2021” as one of the most outstanding professionals in its special edition “21 Elite Women in Business, 2021”.

She has been the Director of Institut Marquès since the year 2000. Currently, she is the Strategic Innovation Advisor for the FutureLife group and a member of its Scientific Advisory Board. She is a member of the National Commission of the Ministry of Health for Gamete Donors and a member of the National Commission of the Ministry of Health, responsible for the National Biovigilance System.

Academic Curriculum_Dr Lopez-Teijon


  1. 0989158176441 Reply

    Dear Marisa López-Teijón,

    I am writing to you to ask a question regarding success of different methods for making an infertile man fertile. I would like to no whether there is a determined percentage of success in these approaches or not. I appreciate your help if you give me statistics with its scientifin reference because I like to use them in my article.
    I look forward to hearing from you.
    Best regards,
    Navid Rafat

    • Dr. Marisa López-Teijón Reply

      Dear Navid,
      I’am not sure if I understand you properly.
      Would you be so kind to concrete a bit more what information do you need?
      Kind regards

  2. Zareena Reply

    Would you be able to accept frozen embryos from another country where I did not have my husbands written consent as he died suddenly for transfer into me? Thanks Zareena

    • Dr. Marisa López-Teijón Reply

      Dear Zareena,
      in our country we need a consent signed by your husband to alow you to transfer this embryo. I will recomend you to ask to a specializated lawyer in your case.
      Best wishes.

  3. Natalie Reply

    Good afternoon Dr Lopex-Teijon,

    I hope you’re having a lovely day.

    I’m a 42 year old female who has had five miscarriages ranging from week four to week 13. I have been advised by IVF specialist here in Australia that egg donor IVF is my best option.

    My partner is 45 with three children, according to his last sperm count/test he is healthy and producing good quality sperm. During my last ultra sound in September 2014 I was still producing follicles but the quality is unknow and specialist feel that the reason of miscarriage is due to the lack of egg quality.

    I’m hoping I’m a suitable candidate to have a successful pregnancy with your expertise and support.

    I have a regular 28 cycle, of a healthy weight, fit and with no known health issues. I have had IVF and IVF egg donor counselling and feel that the options you provide at your clinic best suit the needs of mine and my partner Sep.

    I’m a primary school teacher and would love to possibly commence an egg donor cycle under your care late June to early July 2016. What do you think my percentage/success rate could possible be?

    I dream about the day I get to hold my own baby and look forward to hearing back from you.

    Yours kindly,

    • Dr. Marisa López-Teijón Reply

      Dear Natalie,
      thank you for sharing with us your case. I will be pleased to contact you through one of our agents to inform you about our egg donation program and all the treatments that Institut Marquès can offer you. We are sure that with our work and effort we can help you to reach your target.

  4. Maria Reply

    Dear Dr. Marisa,

    Can you kindly inform me of what is the maximum age for a woman to undergo a frozen embryo adoption program at the Marquès Clinic? I was born in 1967.

    Thank you in advance.
    Kind regards

    • Dr. Marisa López-Teijón Reply

      Hello Maria,
      The máximum age to undergo a frozen embryo transfer is 50. I hope it helps you.
      Kind Regards.

  5. Tara Reply


    I am urgently seeking a pure Italian egg donor for IVF very soon; where in Italy can I look to have success?

    Thank you

    • Dr. Marisa López-Teijón Reply

      Dear Tara,

      We are a Spanish clinic and we don’t have Italian donors. I´m sorry but we can´t suggest you any other clinic.

      Kind regards

  6. Raquel Mejia-Trujillo Reply

    Buenas tardes Doctora,

    Me llamo Raquel y soy una estudiante en los Estados Unidos en el estado de Texas. Tengo 17 años y estoy conductando un estudio sobre la embriología porque espero ser una embriologa trabajando en un laboratorio de infertilidad en el futuro. Sería possible comunicarnos sobre correo electrónico para poder preguntar te unas 10-12 preguntas sobre la embriología?

    Muchas gracias por toda tu ayuda, espero escuchar de ti.

    Raquel Mejia-Trujillo

    • Dr. Marisa López-Teijón Reply

      Apreciada Raquel,
      Primero darte las gracias por dirigirte a mi, me encanta tu interés sobre la embriología . Es realmente un mundo apasionante y estoy segura que conseguirás todo lo que te propongas , con esfuerzo y tesón llegarás a tu meta.
      Nuestro equipo estudiará tu petición, contactaremos contigo en breve. Saludos

  7. Zahid Reply

    My semeen report is normozoospermia and my wife is well . she has no problem dr. Give some test .these are altrsonography ,THS, sugar every report are ok. We have been trying for two month but we haven’t any result of pregnancy. But why? What can we do now? ,please help us ::

    • Dr. Marisa López-Teijón Reply

      Dear Zahid,

      We suggest to wait a year and half before to worried because your wife doesn’t get pregnant. If after one and half year you haven´t achieved a pregnancy you should try with an IVF treatment.

      Kind regards

  8. Kanwalkam Reply

    I had two failed IVF n 1 natural conception with spontaneous miscarriage on 6.5 week… After that miscarriage I underwent 2 iui cycles and 2 ivf cycles.. None resulted in pregnancy. However, in 2nd ivf, 5 days blastocyst transfer, I had Brown spotting on 12th day, had beta on 13th day, which was negative… On 15th day, I had discharged two clots with whitish material attached with it, as 3 embryo were transferred, 2 best quality n 1moderate quality. I believe the 2 implanted but my uterus expelled them, did not accept them. I believe, after RIF, that it is not embryo, it is my uterus which has problems.how to improve it, I don’t want to do surrogacy, I want kid of my own. Plz guide me!

    • Dr. Marisa López-Teijón Reply

      Good morning, Kanwalkam,
      We are sorry to read your experience, since we know these processes could be very hard. If your doctor suggests the cause of the miscarriages is a problem of implantation in the uterus, it might be advisable to perform a hysteroscopy, to see the inside of the uterine cavity. It would also be convenient to carry out more exhaustive tests to know if you have any coagulation problems, as well as a chromosomal analysis of the embryos obtained in the future.
      We hope we have been helpful,

  9. Suhana Reply

    Hi Dr.. yesterday i had my frozen embryo transfer..yesterday night I noticed white discharge and now sharp pain in right side of my pelvis which is expanding to my whole right leg.. is it normal to have symptoms like this..

    • Dr. Marisa López-Teijón Reply

      Dear Suhana,

      Observing a white discharge may be due to the progesterone ovule. There may be slight pain in the lower abdomen after the transfer, which are not alarming if they are not associated with an increase in pain or the appearance of bleeding.
      If the pain is continuous and does not improve I would recommend you to go to a specialist so that you can check it.

      Warmest regards

  10. Clair Battle Reply

    Hello Dr.

    Thank you so much for the fascinating articles.
    Myself and my partner are undergoing iui treatments using frozen known donor sperm from a sperm bank, as we are in a same sex relationship. I am the carrying partner and am 39 with good AMH and FSH levels. And a 27 day cycle.

    I was wondering about the lifespan of frozen sperm once the iui has been performed. How long do they live in the body. Is it as long as fresh sperm?

    I am just wondering in terms of timing. My next iui should be in a couple of days as both ovaries have developing eggs but the right is more dominant in this cycle and the lining is trilaminar at 5.3 on day 10. So with luck this will grow.

    Thank you so much for sharing your knowledge.


    • Dr. Marisa López-Teijón Reply

      Dear Clair,
      The average life of a sperm is 48 and exceptionally 72 hours. That does not mean that every spermatozoa lives that time, because in any ejaculate we will find sperm populations with different states of vitality, some will live minutes, other hours and other days. With the passage of time the percentage of live sperm will be less and less. After thawing approximately 50% of the sperm die, so in order to be a donor you must have a high seminal quality. Among sperm who survive will pass the same as with fresh sperm, there will be different populations but the half-life is 48 hours.
      Good luck,

  11. Corina Reply

    Hello Dr.

    I am a 26 year old woman, who has had two consecutive miscarriages. The first at 13 weeks and the second at 7 weeks 5 months apart. Myself and my partner have had all the tests and we both came out fine. We got pregnant very easily. I just don’t understand why I can’t carry the babies past a certain point?? Thanks you.

    • Dr. Marisa López-Teijón Reply

      Dear Corina,

      With your age, the most probable cause why yo do not get an evolutive pregnancy could be that the embryos have chromosomic alterations that prevent their correct division and block their growth at the first weeks of pregnancy.
      I would recommend you to go to a reproductive medicine centre so that they can carry out the relevant studies to try to find out the cause of your miscarriages (Preimplantational Genetic Diagnosis, ICSI, IMSI, Embryoscope, etc.).

      I hope these techniques will help you reach your goal.

      All the best.

  12. shuaa Reply

    hellow DR.Marisa
    I am a 26 year old woman i had 9 tries of IVF in Jordan all failed and i had my frozen embryo transfer number ten on 19th august day seven, and I feel strong backaches and nausea
    this time i don’t have enough rest i went shopping and traveled by car to my parents house..dose it affect the success of the implantation??????

    PLZ reply

    • Dr. Marisa López-Teijón Reply

      Dear Shuaa,

      The transfer success should not be affected. Please take into account the recommendations for the following days: do not do exercise; do not lift weight; balanced diet; healthy lifestyle, as well as some relative rest. For the rest of things, you can carry on with your normal life.
      I wish you luck.

      All the best.

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