We are Ceres

Being part of a fertility team is a privilege for everyone. In addition to high professional competence, a big heart and empathy are the basic prerequisites for successfully completing his or her area, whether as a doctor, biologist or medical assistant.

We wish to fulfil your dream of having a child and we look forward to meeting you.

Ceres Kinderwunschzentrum
Dr. Hannen and Dr. Stoll

Our practice, "Kinderwunschzentrum Berlin" was founded by Dr. Hannen in Berlin in 1999, and has been operated jointly with Dr. Stoll since 2006.

Dr. Reinhard Hannen

Specialist in Gynecology
and Obstetrics:

Fertility treatment
Orthomolecular medicine
Diagnosis and treatment of hormonal disorders
Diagnosis and treatment of Endometriosis disorders
Psychotherapy
Dr. Hannen also speaks:
English

Dr. med. Reinhard Hannen was born in Mönchengladbach in 1964. After studying in Düsseldorf and Chicago, he completed his gynecological residency training at the University of Düsseldorf and in university teaching hospitals.

After finishing his training as a laboratory specialist in 1997, he received his qualification to provide diagnosis and therapy for couples experiencing unwanted childlessness. In 2006, Dr. Hannen successfully completed his examination to become a Medical Quality Manager at the Berlin Chamber of Physicians. Dr. Hannen is also a psychotherapist working in depth psychology. Since 2006, Dr. Hannen has been teaching at the Medical University of Baku / Azerbaijan.

Furthermore, Dr. Hannen is a deep psychology-based psychotherapist and is being trained as an orthomolecular physician.

Continued training in primary area of focus:
Gynecological Endocrinology and Reproductive Medicine

Additional designation I:
Psychotherapy

Additional designation II:
"Medical Quality Management” at the Berlin Chamber of Physicians

Advanced training authorization I:
Authorization to conduct advanced training in the areas of gynecology and obstetrics for 12 months

Advanced training authorization II:
Authorization to conduct advanced training in the specialty area of gynecological endocrinology and reproductive medicine for 30 months

Specialist qualifications:
Laboratory testing for gynecology and obstetrics

Dr. Christian F. Stoll

Specialist in Gynecology
and Obstetrics:

Fertility treatment
Diagnosis and treatment of hormonal disorders
Diagnosis and treatment of Endometriosis disorders
Psychosomatic primary care
Dr. Stoll also speaks:
English
French

Dr. med. Christian Friedrich Stoll was born in Kiel in 1969. After studying medicine in Kiel and Berlin, he completed his residency in gynecology and obstetrics at the Women’s Clinic in Esslingen/Stuttgart.

He then specialized in the area of gynecological endocrinology and in treating unwanted childlessness. Dr. Stoll expanded the Zentrum für Reproduktionsmedizin (Center for Reproductive Medicine) in Esslingen, which he then directed until the end of 2006. In 2007, he returned to his adopted home city of Berlin to become a partner at the Kinderwunschzentrum Berlin.

Dr. Stoll is happily married, and is the father of two daughters.

Optional continued education:
Gynecological Endocrinology and Reproductive Medicine

Advanced training authorization I:
Authorization to conduct advanced training in the areas of gynecology and obstetrics for 24 months

Advanced training authorization II:
Authorization to conduct advanced training in the focal area of gynecological endocrinology and reproductive medicine for 30 months

Specialist qualifications:
Laboratory testing for gynecology and obstetrics

Staff Gynecologists

Luisa Dittkrist

Frauenärztin

Frau Dittkrist hat Ihre Ausbildung im Thurgau im Kantonspital Münsterlingen begonnen, bevor es sie wieder zurück nach Berlin zog. Nach einer intensiven Weiterbildungszeit im Gemeinschaftskrankenhaus Havelhöhe, Lehrkrankenhaus der Charité, ist Frau Dittkrist seit Juli 2023 bei uns im CERES Kinderwunschzentrum tätig. Frau Dittkrist absolviert zusätzlich eine Weiterbildung zur tiefenpsychologisch fundierten Psychotherapeutin, um die Patientinnen und Patienten auch psychisch und emotional bestmöglich unterstützen und begleiten zu können.

Dr. Katharina Mergel

Frauenärztin

Frau Dr. Mergel hat in Aachen Medizin studiert und im Klinikum Brandenburg ihre Facharztausbildung erfolgreich abgeschlossen. In unserem Kinderwunschzentrum arbeitet sie seit März 2021 als Frauenärztin und hilft Paaren, ihren unerfüllten Kinderwunsch zu erfüllen.

Frau Dr. Mergel ist verheiratet und glückliche Mutter eines Kindes.

Laboratory team

Ines Wilhelm

Reproduction Biologist / IVF Laboratory Director

Mrs. Ines Wilhelm is a proven expert in the field of reproductive biology. After studying biology at the University of Potsdam, Ms. Wilhelm began her work as a biologist in 2010. In 2012, she took over the laboratory management of our Reproductive Medicine Laboratory after receiving the Specialist Recognition Biology of Humans (AGRBM) through highly specialized additional training.

Mrs. Wilhelm is married and happy mother of two children.

Jennifer Koch-Gerdes

Reproduction Biologist / Deputy IVF Laboratory Director

Ms. Jennifer Koch-Gerdes studied at the Free University in Berlin and has been working at the Reproduction Biology Laboratory since 2015. Ms. Koch-Gerdes has taken over the deputy laboratory management due to her many years of expertise. The training as a human reproductive biologist will be successfully completed by Ms. Koch-Gerdes in 2018.

Mrs. Koch-Gerdes is married and happy mother of three children.

Celine Aleith

Graduate Biologist

Ms. Aleith successfully completed her biology degree in Greifswald in early 2018 with the title Master of Science. Since 2018 she supports the lab team versed in all areas. In addition, Ms. Aleith completes her further training as a "human reproductive biologist".

Sibylle Blume

Medical technical assistant

Ms. Sibylle Blume is one of our longest staff and has been part of our laboratory team since 2002 as CBTA (Chemical-Technical-Biological Assistant). Ms. Blume specializes in the field of hormone analysis as well as the creation of spermiograms and advanced specialized laboratory diagnostics.

Ms. Blume is happy mother of two children.

Medical Laboratory Assistants

Lisa Jaensch

Gesundheits- und Krankenpflegerin

Anastasiia Tereshchuk

Medizinische Fachangestellte

Jacqueline Werner