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False Test?

QUESTION

Dear Midwife,
I am a 25 yr female who is married. I have only had one child who just turned 5.

I am wondering about pregnancy tests, I know there is a chance I could be. I was due on the 10th of Jan for my cycle. I know that sometimes there could be an extra day or two for it to start, but its now the 3rd of Feb and no period. I have taken 2 test both negative(took one this morning) and both with morning urine.

I am wondering if a medicine I started taken could have some effect to the test.. its called Phentermine 37.5mg. I started taking it on 20th of January, before I started taking it I did a test.

I don't know if I should wait it out a little longer or be concerned? I am regular cycled, and its been almost 3 1/2 weeks late. First test was CVS brand and 2nd test was Answer, if that makes a difference.And my husband is driving me nuts to know.

Thanks for any help on this you can provide....

ANSWER

First, Phentermine is contraindicated for pregnancy, so I'm not sure why anyone would prescribe it to someone who is not on strict birth control.

If you are taking it to lose weight, there are much better choices for women who wish to conceive. If you have PCOS, that may be what is accounting for your delayed period, but again, there a good drugs to treat PCOS.

You may want to consult a midwife or OB/gyn who can address your infertility if you wish to conceive.

The Phentermine would not affect the pregnancy test results. Obviously, I don't know you and I don't have your whole history, so it is hard for me to give you good advice myself, but I would recommend that you get a second opinion.

--Cynthia, CNM. PhD.

Cynthia Flynn

Cynthia Flynn, CNM. PhD, is the General Director of the Family Health and Birth Center which provides prenatal, birth, postnatal, gynecological and primary health care to underserved women and their families in Washington, D.C. Recently Cynthia served as Associate Professor of Nursing at Seattle University. There she not only taught, but remained in full scope clinical midwifery practice at Valley Medical Center where she cared for pregnant and birthing women, and practices well-woman gynecology, family planning, and treatment of sexually transmitted diseases.

Cynthia founded Columbia Women's Clinic and Birth Center, where she took care of pregnant women and infants up to two weeks of age and attended both birth center and hospital births. Before Cynthia earned her CNM, she worked as a registered nurse in labor and delivery and postpartum and is a certified Doula and Doula trainer.