Conception questions


Q: I was just informed on Wednesday that im pregnant. On thursday I was told that based on my hcg levels I am between 5&8 weeks pregnant. Around what dates did I most likely conceive?

Symptoms:  Pregnant

A:   Hello,
Thanks for contacting for an opinion.
There are multiple ways of dating a pregnancy.The best and the simplest way to date is to calculate the number of weeks and days from your last menstrual period (LMP)( provided you have good dates as in your cycles have been regular in last 1 year). for example if your beta hcg levels say that you are pregnant between 5-8 weeks then your likely LMP must have been 17th September 2014 or 8th October 2014 (8weeks or 5 weeks respectively).
Second method is to ascertain the ultrasonological age of the conception by doing a dating scan transvaginally which can give an estimated age of the gestation based on haddlock formula .Accordingly the date of conception can be devised.
Beta hcg based levels confirm the pregnant levels but provide a wide range to actually delineate the date of conception.
For all practical purposes the LMP is taken as the marker for counting the period of gestation.It would be advisable to undergo an ultrasound first and accordingly calculate the date of conception , that would be more accurate dating for the conception.

I hope i have answered all your queries in detail.
Wishing you best of health and a safe pregnancy,

Related Q&A

Q: I was on my first shot of Depo Provera and my window opened up to get my shot. I had sex with my boyfriend and he cam...

Q: Is it safe to take robitussin DM coughgels while 8 months pregnant ?

Q: What are the chances of getting pregnant from Precum if you last ejaculation was around 12 hours before sex. I'm not ...

Q: What are the chances of getting pregnant from Precum. Her period started October 1 and we had sex on the 9th at aroun...

Q: Is it safe to go to orlando florida if im 6 weeks pregnant?


Dr. James Obaji M.D.

  • 247 Reviews
  • Family Physician

Dr. Suneel Sharman M.D.

  • 190 Reviews
  • Family Physician

Dr. Pat Golden M.D.

  • 169 Reviews
  • Cardiologist

Dr. Kunaal Jindal M.D.

  • 112 Reviews
  • Plastic Surgeon