Dates not similar!: Hi all, we had ICSI... - Pregnancy and Par...

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Dates not similar!

InTheMiddleOfIt profile image
9 Replies

Hi all, we had ICSI and now we got blessed with a pregnancy, as it was ICSI there is no guessing of when we got pregnant last Friday was 7 weeks but the scan showed 8 weeks and 6 days! I m only asking as I m suffering nausea and sickness and I m hopeful that it might follow the baby's development not the real count.

My question is can anyone explain why such a difference in dating the pregnancy?

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InTheMiddleOfIt profile image
InTheMiddleOfIt
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9 Replies
Aimaim77 profile image
Aimaim77

Congratulations . Someone was trying to explain dating to me yesterday . I'm 3- 4 weeks pregnant and have scan booked for 20th June, when I should be 5 and half -6 weeks pregnant by then , but apparently they date it from your last period . So you have to add another few weeks .

I still don't really get it . Lol xx

InTheMiddleOfIt profile image
InTheMiddleOfIt in reply toAimaim77

Hi Aimaim77, once I told them about the ICSI no one asked me about my last periods as the drugs stop the cycle before conception. The 8 weeks 6 days was given from the baby's measurement on the scan while the due date was given based on egg fertilisation.

Debukf profile image
Debukf in reply toAimaim77

How have you got a scan @ 5-6 weeks? Is it a private one? xxx

InTheMiddleOfIt profile image
InTheMiddleOfIt in reply toDebukf

As it s ICSI they do a viability one before the discharge you from the assisted conception unit.

Debukf profile image
Debukf in reply toInTheMiddleOfIt

Oh i see! thank you for verifying that for me and wish you all the best xxx

InTheMiddleOfIt profile image
InTheMiddleOfIt in reply toDebukf

Thank you.

Tlove profile image
Tlove

Haha, that was me trying to explain how the dates work! Best thing is to just use this handy calculator based on your ec. fertilityfriends.co.uk/inde...

Medically, they always add on 2 weeks because in a natural cycle, date of ovulation is unknown so they go from day 1 of last period, which is usually 2 weeks before ovulation and in your case, 2 weeks before ec.

I am so surprised that your clinics didn't explain any of this, why do they assume people know if you haven't been pregnant without IVF.

InTheMiddleOfIt profile image
InTheMiddleOfIt in reply toTlove

Tank you i ll give it a read.

InTheMiddleOfIt profile image
InTheMiddleOfIt in reply toTlove

The due date is exactly what I counted and the baby date is exactly what the nurses measured, handy little tool thank you Tlove.

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