Basal Body Temperature Basics

For the male species, the basal body temperature is not too much of a concern. However, for those who have their monthly visitor disturb them regularly (and some irregularly), measuring their BBT or basal body temperature is one of the surefire ways to determine ovulation.

When a woman ovulates, their basal body temperature increases to one-half to a full degree in Fahrenheit and one-quarter to one-half degree Celsius. This is because women are inclined to have lower temperatures just before ovulation and higher temperatures afterwards. This is known as a biphasic pattern.

In this article, we provide you with some basic questions that people ask about BBT. If this is the first time that you’re reading about basal body temperature, then sit back and read along to learn about this unique way to measure your ovulation period.

Question: What does the BBT chart tell me?

This chart tells you if you are ovulating and will be able to help you time intercourse. If you observe a definite biphasic chart, this is a good sign as it will give you clear signals on the rise and dips of your basal body temperature.

Question: How long does my temperature stay up after I ovulate?

The ovulation period essentially stays up after 14 days. There are doctors who say that anything over 10 days is quite conventional however it makes sense to test for one’s luteal phase defect if one shows a temperature spike for 12 days. Most doctors would want to observe around two cycles of low progesterone or out of phase biopsies before they conclude that a person’s luteal phase before making a diagnosis.

Question: My temperature went down for a day in the luteal phase. Does this mean that the cycle is a bust?

You need not be concerned if it changes after that. If it stays down, then that could be a definite cycle bust but typically, people have a short drop that may go a bit below the coverline that is an overflow of secondary estrogen accompanied with some mucus.

Question: How long should I continue using a BBT chart before I decide to see a doctor when I suspect infertility?

This is a very good question. If you notice that your cycles are a bit irregular, you should not waste any time on BBTs alone. Go out and schedule an appointment with your doctor so you could get to the root of the problem.

Question: What are average BBTs for women?

The average values for a woman’s BBT is essentially between 97.0-97.7 before ovulation and 97.7-99.0 after ovulation. It is quite predictable that a woman’s temperature shall never bounce around more than 0.5 degrees in the follicular phase and it will definitely remain constant above the coverline during the luteal phase.

 
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