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The office will be closed from December 23-27. We will return to the office on December 30.


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Houston Fertility Center Tags

Egg Fertilization and Pregnancy Rate After IVF

After IVF, some women become pregnant through natural means. Let’s go over the egg fertilization rate after professional fertility treatment.

Posted by Sonja Kristiansen, MD on May 29, 2019

Causes of Irregular Periods

An irregular menstrual cycle and missed periods can cause infertility and problems becoming pregnant. Our fertility specialists consider why this may happen.

Posted by Sonja Kristiansen, MD on Feb 28, 2019

Luteal Phase Defect Treatment

A luteal phase defect (LPD) can affect female fertility and make it more difficult for women to become pregnant. Our infertility treatment experts consider the…

Posted by Sonja Kristiansen, MD on Feb 18, 2019

Menstrual Cycle Phases and Pregnancy

A woman is most fertile during certain times of her monthly cycle. Let’s go over menstrual cycle phases and why timing is everything when it…

Posted by Sonja Kristiansen, MD on Jan 25, 2019

The Most Common Causes of Female Infertility

One of the first steps to treating infertility is determining the cause. Let's take a moment to consider some of the most common causes of…

Posted by Sonja Kristiansen, MD on Oct 29, 2018

What Are the Most Fertile Ages?

Age can affect female and male fertility. People older than 40 face risks of infertility and reproductive health issues. Our specialists cover optimal ages to…

Posted by Sonja Kristiansen, MD on Sep 04, 2018

Female Fertility and Laptops: Is There a Connection?

Many women wonder if using a laptop can lead to female infertility. Our fertility specialists provide an answer to this question.

Posted by Sonja Kristiansen, MD on Feb 29, 2016

Knowing the Symptoms and Risk Factors of a Potential Miscarriage

Knowing the signs, symptoms, and risk factors associated with miscarriage can be helpful for those looking to start a family of their own.

Posted by Sonja Kristiansen, MD on Aug 16, 2015

Are You Ovulating? Signs to Look Out For

Just before ovulation, women are their most fertile. There are a number of signs that women can look for to find out when they are…

Posted by Sonja Kristiansen, MD on Nov 30, 2012

Dr. Sonja Kristiansen

Houston Fertility Center

Dr. Sonja Kristiansen is the founder and Medical Director of Houston Fertility Center. She is a board-certified Reproductive Endocrinologist Infertility (REI) specialist who is proud to help hopeful parents fulfill their dreams of having children. Our center is affiliated with the:

  • American College of Obstetricians and Gynecologists
  • American Society for Reproductive Medicine
  • Texas Medical Association

We provide convenient care for patients from greater Houston and visitors from out of town. For more information about our services, contact our office online or call (713) 225-5375 today.

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