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How Long After Intercourse Can I Take a Pregnancy Test?

by Anne Sommers, Licensed Midwife | October 25, 2000 12:00 AM

I am just starting to try and get pregnant-how soon after intercourse will home pregnancy tests work?

Approximately four days after fertilization, the egg will start to produce a pregnancy hormone called human chorionic gonadotropin (hGC). A pregnancy test will detect this hormone about one week after fertilization.

Most women tend to wait to take a pregnancy test until after they have missed one menstrual period. If you take a pregnancy test one week after you were supposed to get your period, the result will be about 95% accurate. If you take it too soon after fertilization, it may show up negative when in fact you really are pregnant

Pregnancy test are meant to be considered screening tests. If your test comes up negative, but you are experiencing symptoms of pregnancy you should call your doctor. If it does come up positive you should call your doctor and set up an appointment for your first prenatal visit.

Anne Sommers, LM is a Licensed Midwife in Southern California and founder of Agape Perinatal Consultation & Birthing Services. Anne has attended and personally delivered hundreds of beautiful bouncing babies in some very wonderful and natural settings -- like in the water! She has appeared on various Southern California radio and cable television shows, talked to birth organizations, was editor for several child birth publications and was the owner, editor and publisher of "Mom" Magazine, a quarterly publication in circulation for over seven years. She completed Seattle Midwifery School's Challenge Process and the NARM exam (supervised by the California Medical Board) qualifying her for midwifery licensure. Anne actually made history as noted in the Orange County Register for being one of Southern California's first Licensed Midwives. She is also the mother of two children, born at home, with the attendance of midwives.

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Showing 1 - 10 out of 47 Comments
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Melissa Jan 29, 2017 11:33:06 PM ET

I had unprotected sex 29 days ago. i got my "period" about 2 weeks early it was different than my regular period. yesterday i took a test which came out negative and today i noticed some blood when i wipe and earlier my liner had some brown blood? should i wait and take another test or am i certainly negative?

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jully Apr 10, 2015 11:11:14 AM ET

I had intercourse wit my guy on monday begin the 6th of april. today is the 10th. i took a test, but it was negative. when is the best time again to conduct the test?

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Guest Mar 13, 2015 08:26:38 PM ET

I missed my period in january and it came on in feb around the 4th. now, it's march the 13th, and i still didn't get my period yet. i took pregnancy tests, and they were negative. what should i do now?

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Guest Dec 9, 2014 01:16:51 PM ET

Hi. today is the 12th day of my cycle, and this morning i had intercourse with my husband. could i have a positive result? thank you.

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Dee Nov 13, 2014 01:44:54 PM ET

I had unprotected sex on halloween night. i was on my period at the time and i thought i would be fine. it turns out that you can still get pregnant like that. on the 9th (4 days ago) i was spotting and i thought it was my period starting, but it was way too early to have my period again. there was just a little but of blood and that was it. i'm wondering when can i take a test? tomorrow will be 2 weeks since halloween.

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alic Nov 13, 2014 12:18:36 AM ET

Me and my boyfriend had intercourse after 13 days. my period started on the 5th of november, but it was only for two days before it completely stopped.

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Sasha Nov 10, 2014 09:53:13 PM ET

Hi, i was 4 weeks pregnant and lost my baby on oct 29, 2014. but, after 5 days of bleeding i had sex with my husband. i am wondering if i am pregnant again? i am feeling sick and have morning sickness already. please help me, and tell me if am pregnant or not? thanks.

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kin Nov 7, 2014 04:50:51 AM ET

I had taken my test on 13th day of my cycle, and it was negative. but, after having my intercourse the same day, i had my period. is the result true? when is the right time to take a test?

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Guest Nov 3, 2014 06:35:27 PM ET

I got my period on the 20th of october. it lasted a few days, and was normal. i had sex on october 25th, and took a pregnancy test yesterday. it said pregnant, so i took another and it said not pregnant. i am not sure which reading i should go off of?

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Guest Oct 30, 2014 09:52:05 PM ET

My last period started on 9/25/14 and lasted 17 days. my bf and i have had unprotected sex several times since, and i haven't gotten my period again. could i be pregnant? if so, when would i be able to take a pregnancy test?

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