What is Normal TSH?

Question

I was having a difficult time becoming pregnant. I finally got pregnant, but then miscarried. This was unusual for me because I quickly became pregnant with my previous four children. However, after my miscarriage I found out I am hypothyroid. My TSH was only at 5.1, but I was having many symptoms such as bladder trouble, strong PMS cramps, depression, foggy thinking, hair loss, cold etc…. After three months of being on 25 mcg. of Levothyroxine, my TSH is now 2.98. Most of my symptoms are completely gone. However, I am having muscle and joint pains in my arms, elbows, legs, knees, neck and back. These pains strike me all day long about every 20 minutes. I also still have extra fat on my thighs even though I am not overweight.
Do you think that my TSH is still not low enough? Can I be at 2.98 and still be suffering from hypothyroid symptoms? My doc does not want to increase my dose and thinks my level is now good. This confuses me because I am having these symptoms.

I am also hoping my ovulation has been corrected. I don’t know yet. As of last month, it was not. I only had about nine days between ovulation and starting my next cycle.

We are still hoping to have more children. I read that ovulation is often not corrected until the TSH gets down to about 1. I would appreciate any advice you have on this issue. It would be easier to get to the bottom of this, if I weren’t living overseas in an underdeveloped country. I got so frustrated with these symptoms this morning that I went ahead and took an extra half a pill. That brought my 25 mcg. dose up to 37 mcg. Can you believe I had no pains all day?! Could this have helped that fast?

Thank you for your help.

Margaret

Answer

Last Updated: May 8, 2022
Dear Margaret,

You have waded into controversial TSH waters. There is debate as to what a “normal” TSH (thyroid stimulating hormone) is.

First of all, a word about TSH; the higher the TSH, the lower the thyroid function. That is, the TSH has an inverse relationship to thyroid function.

Most laboratories report a normal range of about 0.4 to 4. However with regards to fertility, many experts feel the TSH should be 0.4 to 1 or 2.

In your case, since you still have symptoms, have fertility concerns and the TSH is greater than 2, it certainly would make sense to carefully increase your levothyroxine dose. The TSH should be monitored to avoid pushing below 0.5.

You may reason with your doctor that if he or she is comfortable with a TSH of 0.5 to 3, then why not try to titrate the dose upwards as long as the TSH is kept above 0.5.

In health,

George Delgado, M.D.

Answered By:

George Delgado, M.D., F.A.A.F.P.
George Delgado, MD, President and Founder of Steno Institute and Medical Director of Culture of Life Family Services (COLFS), San Diego, is a Professional Member / Supporter of CANFP. Board certified in both family medicine and hospice and palliative medicine, Dr. Delgado received his medical degree from the University of California, Davis, and completed his residency at Santa Monica Hospital/UCLA. Dr. Delgado is a Natural Family Planning Medical Consultant, trained in NaProTechnology. He and wife have four children and seven grandchildren.

Read more related questions

Panic About Fertility

I’m having a complete panic about my fertility. I’m 30 years old and stopped taking the pill a few months ago after being on it…

Trying to Conceive for First Time

I am a 38 year old woman, trying to conceive for the first time. I am using the Clearblue Fertility Monitor and it showed high…

Could Polyp Be Causing Miscarriage?

Could you please help me as I don’t know who I can ask? I am 43 years old (have had no children before) and within…

Breastfeeding and Miscarriage

I am a 38 year old woman with three children who has also had five miscarriages. I am currently four weeks pregnant (six weeks after…

Conflicting Advice on Progesterone and Infertility

I am 27 years old and my husband and I have been trying for our first child for five months. I have been charting since…

Low Estradiol on Day Three of Cycle

I am 26. I have had four miscarriages. Recently I had cycle day three labs done. The results are as follows: FSH 5.5 TSH 1.33…

What is Normal TSH?

I was having a difficult time becoming pregnant. I finally got pregnant, but then miscarried. This was unusual for me because I quickly became pregnant…

How Long Should I Wait to Conceive After Weaning

I had a miscarriage a few weeks ago, and I believe that it is very possible it was due to low hormone levels. I had…

Is My Premenstrual Spotting Related to My Miscarriages

I am 40 years old, with an almost-three-year-old daughter. My husband and I have been married for eight and a half years. We went through…

New Normal After Stillbirth?

My first child (a beautiful baby girl) was stillborn in February of this year (40 weeks gestation with no known cause). My husband and I…

Poor Cervical Mucus and Now Miscarried

I am 37 years old, with two children ages six and three and a half. I have been trying to conceive for one year using…

Still Think Something is Just Not Right

I am 26 years old and my husband and I have been practicing NFP since we married two years ago. Right after getting married, I…

Create An Account

This is not a membership, this is an account for our CANFP website. If you decide you would like to sign up for one of our memberships later, you can do so with or without this account.

First Name *
Last Name *
E-mail *
Username *
Password *
Confirm Password *
Edit Profile
Information
Subscriptions
Payments
Order History
Downloads
Shipping and Billing
Donations
Settings
Login Information
Notification Settings
Notification Subscriptions
Profile

CANFP conducts varied outreach programs to the community at large, in addition to serving our members (NFP users, teachers, and advocates).

CANFP provides education programs tailored to the audience, not only on Natural Family Planning, but on the wide variety of topics related to it.

Programs can be continuing education for NFP Professionals, introductory information for a lay audience of youth or adults new to the topic, or specifically tailored to the interests of a professional audience, such as educators, physicians, or clergy. Content is faith based or secular, whichever is suitable for situation.

CANFP offers a variety of resources for those just discovering Natural Family Planning, as well as to meet the varied needs of our CANFP Members. Most resources are available to any visitors to our site. Some resources do ask you to register as a site user in order to access them, others are available only to CANFP Members.

CANFP statewide conferences, regional events offered in collaboration with local partners, events featuring CANFP speakers, or exhbit, as well as other events throughout the state of interest to our NFP community.  Come meet one of our experts at one of these events or book a speaker for your own upcoming event.

CANFP depends on the gifts, talents, and generosity of our members and supporters. The success of our mission depends on the collaboration of our members. Please consider contributing your time treasure and talent through CANFP to share the good news of NFP with the world! Both volunteer and contracted positions available.

Stay informed by joining our email list

* indicates required
Which role(s) best describes you?