In vitro fertilization with Dr. Eunice Zavala Chaparro

In vitro fertilization (IVF) with updated clinical judgment

Her & Health logo Dr. Eunice Zavala

In vitro fertilization is a high-complexity assisted reproduction technique that enables pregnancy when natural conception is difficult. It consists of joining egg and sperm in a specialized laboratory and subsequent embryo transfer to the uterus.

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What is IVF and when is it considered?

It is an alternative when less complex strategies have not worked or when the initial diagnosis shows factors that are unlikely to resolve without lab fertilization: tubal obstruction, severe male factor, low ovarian reserve, advanced reproductive age, endometriosis or previous failed cycles of lower complexity.

Process stages

The protocol adapts to each patient, generally following these stages:

  1. Prior studies (hormonal, infectious, ultrasound and seminal analysis) to confirm viability and plan the protocol.
  2. Controlled ovarian stimulation with medication and serial monitoring by ultrasound and lab.
  3. Oocyte retrieval (follicular aspiration) in the OR, under sedation, once optimal follicle development is achieved.
  4. Lab fertilization (IVF or ICSI) and embryo culture for 3 to 5 days up to the blastocyst stage.
  5. Embryo transfer to the uterus and luteal phase support; pregnancy test about 12 days later.

Integral support

Each step is explained with time and without pressure. Decisions on the number of embryos to transfer, cryopreservation, IVF with serologies or with medications included, and even two-attempt packages, are built with you based on clinical diagnosis, age and reproductive goals.

Options that may be part of your IVF protocol

Within the IVF route, some patients require specific variants or packages depending on prior studies, medication scheme and cycle planning.

IVF including the prior serologic studies needed to ensure optimal conditions at every stage of the treatment.

IVF with the ovarian stimulation protocol medications and luteal phase support already included in the package.

Two-cycle IVF package with continuous clinical follow-up and planning adjusted between attempts.

Frequently asked

Most common IVF questions

Rates depend mostly on the patient's age, ovarian reserve, embryo quality and male factor. In the first consultation we review your individual conditions to set realistic expectations, avoiding promises and respecting what evidence currently supports.
When there are additional good-quality embryos, cryopreservation is offered to use them in future attempts without repeating ovarian stimulation. The patient always decides what to do with her embryos, within the applicable legal and bioethical framework.

Daily injections during stimulation can cause mild discomfort; oocyte retrieval is performed under sedation and most patients return to their routine the next day. Embryo transfer is outpatient and usually feels similar to a colposcopy.

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Gynecologic consultation and gynecologic surgeries

Two frequent paths to start an evaluation or plan a procedure within the current catalog.

Gynecologic services
Gynecologic services

Consultation, prenatal care, fertility, gynecologic endocrinology and clinical follow-up.

Gynecologic services
Gynecologic surgeries
Gynecologic surgeries

General gynecologic procedures with individual evaluation and follow-up.

Gynecologic surgeries
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Patient reviews on Google

Dr. Eunice is fantastic. She is a dedicated gynecologist, very experienced and thorough. She performed a very professional exam and inserted my IUD. I felt completely comfortable and relaxed; she took the time to answer my questions and make me feel at ease.
Melissa Brock
Melissa Brock Google Maps
Dr. Eunice is incredibly attentive from the moment she welcomes you. She explains every detail patiently and gives each patient her full attention. Her clinic is beautiful and very clean. I highly recommend her, especially if you are looking for a comfortable environment.
Samara Loza
Samara Loza Google Maps
I have consulted with her once and can say she is very dedicated to her work. She listens well and explains everything with total clarity. She is very patient, which builds trust. The facilities are excellent. I am very satisfied with her work and care.
Maria Ines Ascanio
Maria Ines Ascanio Google Maps
Dr. Eunice Zavala was very attentive and respectful, provided precise details about the exam and answered all of my questions. Her clinic is lovely and comfortable. I highly recommend her.
Andrea de Leon
Andrea de Leon Google Maps
Excellent service; the doctor is very professional, very kind and truly cares about her patients. She takes enough time to resolve every question during appointments and even the doubts that come up afterward.
Cristina Moreno
Cristina Moreno Google Maps
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