HealthTap Online Primary Care Doctors Accepting New Patients
Book a video visit
HealthTap
Telehealth
A member asked:

My period comes every 3 weeks im now 18 days late and have had a negitive home pregnancy test?

A doctor has provided 1 answer
Dr. HUGH Melnick answered

Specializes in Fertility Medicine

CYCLES TOO SHORT!: If you truey have 18 days between the start of your menstrual cycles, you may not be ovulating. A delayed cycle often comes after a few short cycles. If you are trying to conceive, have a fertility specialist check you for proper ovulation.

Answered 4/3/2013

5.2k views

Thank

Related Questions

A member asked:

My period is three days late &I had sex alot of times last month &this month. I'm having pregnancy symptoms but I took a test &it said neg. what now?

6 doctors weighed in across 3 answers

A member asked:

My period is now 3 days late and I took three pregnancy tests and they all were negative. Is there a chance I still could be pregnant?

A doctor has provided 1 answer

A member asked:

My period was 3 days late, & usually on time every month & usually heavy, now it's not heavy at all, pregnancy test was negative, could I be pregnant?

A doctor has provided 1 answer

A member asked:

I am 15 days late from getting my period and no signs of it starting. What should I do? I have taken 2 pregnancy tests and they have been negative but every now and then I have pregnancy symptoms

2 doctors weighed in across 2 answers

A member asked:

Had sex a few days before period, period is now days late, three pregnancy tests read negative. What could this mean?

4 doctors weighed in across 2 answers

Sponsored Content
HealthTap Medical Group does not endorse products or services. Sponsored content revenues support our mission to make health information free and accessible to all.Learn more

People also searched for:

I am three weeks late on my period and I never miss a period I have one every month and they are never late took a home pregnancy test and It was negative and went to my family doctor and they done a blood test and it came back negative?
I'm 15 days late for my period and I have taken three home pregnancy tests. All were negative. Could i be pregnant? Or what's going on?
I took a home dollar store pregnancy test and it has two line the tester is faint does that mean im pregnant im three days late for period?
My period comes the same time every month. It is 2-3 days late now, should I take a pregnancy test while on my period or wait until it is over?
I get my period every 14th of the month. Last month i got it on the 10th. Now i'm late two days and pregnancy test showed negative yesterday. Worried?

Telemedicine

Primary Care
Manage Your Conditions
Women's Health
Children's Health
Men's Health
Senior Health
Wellness, Prevention & Lifestyle
Sexual Health
Mental & Behavioral Health
Travel Medicine
Urgent Care
Ask your question
Didn't find what you're looking for?

90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.

Ask your question

More of what we treat

Allergies
Antibiotics
Asthma
High Blood Pressure
Prescriptions
Type 2 Diabetes
Content on HealthTap (including answers) should not be used for medical advice, diagnosis, or treatment, and interactions on HealthTap do not create a doctor-patient relationship. Never disregard or delay professional medical advice in person because of anything on HealthTap. Call your doctor or 911 if you think you may have a medical emergency.
HealthTap
HIPAA logo
HIPAASecure
Soc 2 Type 2 logo
SOC 2 Type 2Certified
JCAHO Accredited
JCAHOAccredited
Member App

Download HealthTap

Video visit and message your doctor

Member App QR Code
Play Store Member LinkApp Store Member Link

Questions?

+1 (888) 828-0841support@healthtap.com
LinkedInTwitter
HomeTermsPrivacyCookiesDMCAHealth TopicsDoctors DirectoryDoctor Q&A by Specialty
Copyright 2026 HealthTap, Inc.