Please look if you've done a Modified... - Fertility Network UK

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Please look if you've done a Modified natural FET.

SandD2020 profile image
10 Replies

Hi I hope someone can put my anxiety at ease

I went in for a monitoring scan on CD10

Was told lining looked good I suppose thick enough and had 2 follicles

Don't have any measurement info...

I was told to trigger CD10 same day as scan

when I use ovulation strips my LH peak is usually CD15

Anyway my transfer is 7 days after the trigger shot(zivafert 10,000iu)

I am now taking progesterone 2x a day after trigger shot

Does this seem right? I'm in the UK if that helps

Has anyone done a natural cycle and didn't wait until the LH peak to trigger? Only by what the scan showed?

Thank you!

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SandD2020
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10 Replies
Doodlebug23 profile image
Doodlebug23

My first modified natural my clinic used scans and not ovulation tests to decide my timings.

Rjfguitfg profile image
Rjfguitfg in reply toDoodlebug23

Mine was the same. I was monitored very closely to determine best time to trigger and then transfer.

Doodlebug23 profile image
Doodlebug23 in reply toRjfguitfg

I found that very costly though as my clinic is in Spain so had to pay for scans privately. Second modified natural I used ovulation tests instead. I think both methods are ok just different.

Rjfguitfg profile image
Rjfguitfg in reply toDoodlebug23

Ah yes, that can get super costly. I didn’t have too much of a choice since I have pcos and lh strips don’t work for me.

Wishinandahopin profile image
Wishinandahopin

hey! Yes with modified natural (with trigger) it’s nothing to do with LH etc as the trigger forces the ovulation (a bit like a fresh cycle) so it’s done on scans. If you weren’t having a trigger then it would be done on LH.

We did this same type of transfer and it resulted in my baby boy. Good luck!

SandD2020 profile image
SandD2020 in reply toWishinandahopin

Thank you I feel so much better I don't even know why I was doubting the DR 🤣🤣🤣🤣

Doodlebug23 profile image
Doodlebug23 in reply toWishinandahopin

I had modified natural with a trigger and used LH strips.

Wishinandahopin profile image
Wishinandahopin in reply toDoodlebug23

I’m sure they do use it sometimes but it’s not needed everywhere.

From my understanding It’s more done to not miss ovulation but if scanning regularly it’s not needed and your doctor will know your body. For example with OP they have triggered before her normal cycle ovulation date so very little risk of early ovulation and the trigger will induce ovulation then.

Doodlebug23 profile image
Doodlebug23 in reply toWishinandahopin

I didn’t have scans just used LH strips to time the trigger and plan transfer.

GranolaHippo profile image
GranolaHippo

I'm going through the same and that's our protocol too.

Our clinic asks that we use LH tests as a sort of back-up, to ensure that ovulation is 'caught' in case it starts to happen between scans. Their priority is notvyo miss it, rather than to align with it, I think.

They were clear that what was important was having lining of suitable thickness and clearly dominant follicles, then they'd trigger.

My egg collection also didn't exactly correlate with when I'd normally ovulate. It is a different process!

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