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conception dates

  • Can You Date Conception From Ultrasound Data?

    QUESTION

    Hi Ms. Ultrasound,

    I hope you can help me with my question as it would really ease my concern.

    I am 31 weeks pregnant; the first day of my last menstrual period date was 26 July 26, 2009 and my usual length of menstrual cycle ranges between 28 to 30 days.

    I had unprotected sex on August 6th (Day 12) and August 17th (Day 23). I really need to know whether the baby was conceived on the 6th, or the 17th.

    Here are the information of my early fetal ultrasounds:

  • Please Give Me Some Peace of Mind

    QUESTION

    Dear Ms. Ultrasound,

  • Confused About Dating of Pregnancy

    QUESTION

    Dear Midwife,
    Boy where to start. I had a miscarriage on may 25th of 2008, this would have been my 2nd child. I found out I was pregnant around mid to late September, I had no idea. I know I didn't have intercourse until about the 16th of June at the earliest.

  • Ultrasound and Conception Dates

    QUESTION

    Dear Ms. Ultrasound,
    I have had two scans so far both match up with my lmp. I had one at 7 weeks and one at 13 weeks.
    so I calculated that I conceived around 22nd September.

    Here are my dates:
    lmp: 9/10th Sept
    28 Oct: 7 week scan
    Conception around 22nd September?

    However my period was very light and spotting, is it possible this was actually implantation and the ultrasound is out by few weeks?

  • Ultrasound and Conception Dates

    QUESTION

    Dear Ms. Ultrasound,
    I have had two scans so far both match up with my lmp. I had one at 7 weeks and one at 13 weeks.
    so I calculated that I conceived around 22nd September.

    Here are my dates:
    lmp: 9/10th Sept
    28 Oct: 7 week scan
    Conception around 22nd September?

    However my period was very light and spotting, is it possible this was actually implantation and the ultrasound is out by few weeks?

  • Confused About Dating of Pregnancy

    QUESTION

    Dear Midwife,
    Boy where to start. I had a miscarriage on may 25th of 2008, this would have been my 2nd child. I found out I was pregnant around mid to late September, I had no idea. I know I didn't have intercourse until about the 16th of June at the earliest.

  • Please Give Me Some Peace of Mind

    QUESTION

    Dear Ms. Ultrasound,

  • Can You Date Conception From Ultrasound Data?

    QUESTION

    Hi Ms. Ultrasound,

    I hope you can help me with my question as it would really ease my concern.

    I am 31 weeks pregnant; the first day of my last menstrual period date was 26 July 26, 2009 and my usual length of menstrual cycle ranges between 28 to 30 days.

    I had unprotected sex on August 6th (Day 12) and August 17th (Day 23). I really need to know whether the baby was conceived on the 6th, or the 17th.

    Here are the information of my early fetal ultrasounds: