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Question
Hi,
I am a 45 year old woman from Canada who has a regular 28 day cycle. (Approximately 8-9 months ago I did have a 21 day cycle).  My husband and I had intercourse on day 20 of this cycle and I am now 5 days late.  I did do a regular urine test yesterday and it was negative.  Is it possible that I am pregnant with just not enough hormone in my system yet or more likely that I am going through perimenopause?  (I we conceived our 1 child when I was 39 on day 10 of my cycle.  After her delivery by emergency c-section even with breast feeding I began my menstruation at 6 weeks post delivery, one 2 weeks after that and then every 28 days since, with the one exception mentioned above).

Answer
Hello Adrienne from Canada,

I cannot say exactly why your period is late.  Some testing would need to be done, and of course, one of those should be a blood pregnancy test.  Anything is possible, although a very low statistical chance.

Good Luck,

Dr. Edward J. Ramirez, M.D., FACOG
Executive Medical Director
The Fertility and Gynecology Center
Monterey Bay IVF Program
www.montereybayivf.com
info@montereybayivf.com

Monterey, California, U.S.A.

for additional information check out my blog at http://womenshealthandfertility.blogspot.com check me out on twitter with me at @montereybayivf and facebook @montereybayivf.  Skype and internet comprehensive consultations now available via my website for those who want a more extensive evaluation that this site can accommodate.  I also now provide an Email Concierge Advisory Service with a 1 year subscription for patients that want easy access to me to answer questions along their journey (women's health, infertility, pregnancy).  Contact me at ejrmd@montereybayivf.com if you are interested in continuous access to me.  

Infertility/Fertility

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Edward Joseph Ramirez, MD, FACOG

Expertise

I am a specialist in infertility and advanced gynecological care. I can answer questions about infertility, gynecology related ills, menopause...virtually anything that affects women's health. PLEASE tell me where you are writing from as I am always interested.

Experience

I have been practicing as an Ob/Gyn and Infertility Specialist for over 23 years. Gynecology, advanced laparoscopic surgery, basic infertility, IUI's, IVF, reproductive surgery, and ovulation induction are all areas of my expertise. I am Board Certified. I have been doing In Vitro Fertilization in my clinic for 19 years.

Organizations
American College of OB/GYN, American Board of Obstetrics and Gynecology, American Society of Reproductive Medicine, Society of Assisted Reproductive Technology, American Association of Gynecologic Laparoscopists, Fellow of The American College of Obstetricians & Gynecologists,Resolve-National Chapter, Open Path - Northern California, Board of Directors Monterey Medical Society

Publications
American Journal of Obstetrics and Gynecology, Wall Street Journal, Monterey Herald, SERMO, Women's Health and Fertility Blog

Education/Credentials
Medical Degree from Stanford University, Residency at Tripler Army Medical Center, Reproductive Training at Pacific Fertility Center, San Francisco

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