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Medical Monday - Fertility Testing, Day 3 - Part 1 Blog Feature
Lisa Rosenthal

By: Lisa Rosenthal on July 8th, 2013

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Medical Monday - Fertility Testing, Day 3 - Part 1

Testing | Fertility Basics | Cycles

Fertility Testing (Part 1) - Medical Monday Basics

Fertility Testing Cycle Day 3   Medical MondayInfertility has its own language. If you've heard that before, then you know what I mean. If you haven't and you have entered fertility treatment, then you may all ready be feeling a little lost.


A few examples. Easy examples. "IVF, IUI, HSG, ICSI". Those are just a few obvious ones. And if you're new in fertility treatment, they may not be so obvious at all. 


Here's a basic one that everyone should know, whether struggling with fertility problems or not. It's not just a basic in regards to conceiving, it's a basic about our reproductive system.


Day three.


That begs the question about what day one is: first day of menstrual flow. Not staining, but full menstrual flow. 

Cycle Day 3: Why It's Important and What It Means

So what's Cycle Day 3 and why is it important?


Read on and find out:


A woman’s menstrual cycle is measured from the first day of her period (blood flow, not spotting), so Cycle Day 3 is the third day of her period. When a woman is undergoing a fertility work-up, Cycle Day 3 is the day she has blood work done to check the levels of three important substances: follicle stimulating hormone (FSH), luteinizing hormone (LH) and estradiol (E2).

FSH is secreted by the pituitary gland. It stimulates the production of estradiol (estrogen) and eggs (oocytes) during the first half of the menstrual cycle. The eggs begin to grow in their individual fluid sacs, or follicles, which is the first step in the ovulation process. High levels of FSH are an indication of poor ovarian reserves; in other words, the quality and quantity of eggs is low. This does not necessarily mean that pregnancy is impossible, but it may be more difficult to achieve. The FSH test is usually done to help diagnose problems with sexual development, menstruation, and fertility.

It can be used to diagnose or evaluate polycystic ovary disease, ovarian cysts, irregular vaginal bleeding and infertility. The LH blood test measures the amount of luteinizing hormone, which is also secreted by the pituitary gland. In women, LH levels rise at mid-cycle; within 24 to 36 hours, ovulation occurs. Higher-than-normal levels of LH indicate several disorders, including ovarian failure and polycystic ovary disease. Estradiol is the most important form of estrogen. It is primarily made in and released from the ovaries, adrenal cortex and the placenta, and it is responsible for the growth of the breasts, outer genitals, uterus, fallopian tubes and vagina.

These three hormones can all be checked with a simple test that entails drawing blood from a vein in the arm. Like most blood tests, it is usually pain-free after the initial pinch of the needle. The risks associated with a blood draw are slight, including excessive bleeding, feeling faint or light-headed, hematoma (blood accumulation under the skin) and infection. Normal value ranges for the FSH, LH and E2 tests may vary among different laboratories, so it’s important to get an accurate interpretation of the results from your fertility specialist.

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About Lisa Rosenthal

Lisa has over thirty years of experience in the fertility field. After her personal infertility journey, she felt dissatisfied with the lack of comprehensive services available to support her. She was determined to help others undergoing fertility treatment. Lisa has been with RMACT for eleven years and serves as Patient Advocate and the Strategic Content Lead.

Lisa is the teacher and founder of Fertile Yoga, a program designed to support men and women on their quest for their families through gentle movement and meditation.

Lisa’s true passion is supporting patients getting into treatment, being able to stay in treatment and staying whole and complete throughout the process. Lisa is also a Certified Grief Recovery Specialist, which is helpful in her work with fertility patients.

Her experience also includes working with RESOLVE: The National Infertility Association and The American Fertility Association (now Path2Parenthood), where she was Educational Coordinator, Conference Director and Assistant Executive Director.