What We Treat
  • Allergies
  • Antibiotics
  • Asthma
  • High Blood Pressure (Hypertension)
  • Online Prescriptions
  • Type 2 Diabetes
  • Other conditions we treat
Telehealth
  • Primary Care
  • Manage Your Condition
  • Women's Health
  • Children's Health
  • Men's Health
  • Senior Health
  • Wellness, Prevention & Lifestyle
  • Sexual Health
  • Mental & Behavioral Health
  • Travel Medicine
  • Urgent Care
  • See all
About Us
  • Who We Are
  • Why Trust Us
  • Newsroom
  • Blog
  • Support
  • Contact
Features & Pricing
For Organizations
Log in
Book a video appointment
Book now
  • What We Treat

    • Allergies
    • Antibiotics
    • Asthma
    • High Blood Pressure (Hypertension)
    • Online Prescriptions
    • Type 2 Diabetes
    • Other conditions we treat
  • Telehealth

    • Primary Care
    • Manage Your Condition
    • Women's Health
    • Children's Health
    • Men's Health
    • Senior Health
    • Wellness, Prevention & Lifestyle
    • Sexual Health
    • Mental & Behavioral Health
    • Travel Medicine
    • Urgent Care
    • See all
  • About Us

    • Who We Are
    • Why Trust Us
    • Newsroom
    • Blog
    • Support
    • Contact
  • Features & Pricing
  • For Organizations
Log in to HealthTap
HealthTap Online Primary Care Doctors Accepting New Patients
Book a video visit
HealthTap
Telehealth
A member asked:

How to calculate date of conception?

A doctor has provided 1 answer
Dr. Michael Sparacino answered

See below: Subtract 3 months from your first day of your last menstrual period, then add 1 week.

Dr Livingston agreed

Answered 10/17/2013

5.5k views

Thank

Related Questions

A member asked:

How is conception date calculated by first trimester ultrasound?

A doctor has provided 1 answer

A member asked:

How are conception dates calculated if i don't have a regular 28 day cycle but had a transvaginal u/s done 6/11 dating me 6 weeks 3 days ?

6 doctors weighed in across 2 answers

A member asked:

When is pregnancy calculated first day of last period or conception because my LMP is 9-8 40 weeks from that would give me a due date of 6/15?

A doctor has provided 1 answer

A member asked:

My lmp was Feb 8-12. My due date was Nov 23.(calculated by my first sonogram).My Obgyn informed me my conception date was Mar 2. I had intercourse on Feb 20th and Feb 27-28. What would be sexual intercourse that would had led to my conception date ?

A doctor has provided 1 answer

A member asked:

Can your conception date be worked out?

A doctor has provided 1 answer

People also searched for:

How to calculate due date from conception date if positive ovulation test?
I have an irregular menestration, 2-4months between periods. How do I calculate my conception date?
Can you accurately calculate date of conception if you have irregular cycles? Early US & 6w 1d said EDD was 4/16. 14 weeks later @ 20w EDD said 4/13.
How to calcuate conception date with estimate due date of nov. 30, 2013?
Am preg. My last period is 4/13-4/18. Am trying to calculate when i get preg. It so confusing. When do I ovulate and conception or conceived happen?

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

Patient Care

Online Primary CareOur ServiceFAQSupport Center

Partner With Us

For Organizations

HealthTap

About UsBlogNewsroomContact Us

Join Us

For DoctorsJobs
Member App

Get the HealthTap app

Video visit and message your doctor

Member App QR Code
Play Store Member LinkApp Store Member Link

Questions?

1-888-974-2651support@healthtap.com
LinkedInTwitter
HomeTermsPrivacyCookiesDMCAHealth TopicsDoctors DirectoryOur Specialties
Copyright 2025 HealthTap, Inc.