Could someone help me please!

[Sarah16xx]

Okay here goes..

I'm currently 13weeks and 5days pregnant today :) i know i shouldn't really be worrying about this as my babies nice and healthy and that's the main thing, but it's something that's playing up in my mind lol with my last period starting on the 16th-19th jan not sure what date but in between them dates I'm not sure when i ovulate for sure i have a pretty normal cycle every month 26-28 days guessing i ovulate around the 14th day like most women, my due date is the 21st September 2016 ultrasound confirmed that.. making me conceive around 30th i was wondering how out scans can actually be? I thought maybe i conceived a little later in my cycle round about 9th-10th jan just a few days before my period was to start also making the scan be out by 10-11 days by my conception date if that was the case! Would my baby be measuring smaller if I conceived later in my cycle also I would probably be less weeks? what do people think? I don't expect anyone to know just a little bit of help stop my head doing overtime about this lol x

[Sabrina_1988]

First off congrats and breathe just relax eat good be healthy and everything will be just find don't get caught up in dates and etc sit back and enjoying being pregnant.::)

[Sarah16xx]

Oh goodness sorry I've totally confused you my last period started on the 16th-19th dec sorry x

[Sarah16xx]

I know i got my due date 21st September :) meaning i conceived around 30th dec, i didn't have no bleeding? i just thought i might have conceived a little later in my cycle i just had a feeling due to body changes round about the 9th-10th i might have ovulated then but with the ultrasound confirming that due date i don't think there's really anyway i conceived around 9th-10th :) I was meaning if i did ovulate a little later in my cycle my baby would probably be measuring smaller and I'd be less weeks my right ? I'm sorry if I've confused you a little x

[RockRose]

I'm not sure what method was used to determine your due date,  but a due date of Sept. 21 means you conceived around Dec. 30.  

So whatever bleeding you had mid-January was likely implantation bleeding or some other non-menstrual bleeding.

I'm not quite sure why you think your baby is small for 13 weeks  - can you be more specific?