It's impossible to be right on the nose and if per chance it does happen it's a wild guess. A doctor can guess approximately 2 - 3 weeks. Unfortunately in your case having sex with two different partners in such a short period of time you won't know the father of baby without a DNA test.
They can have a very close date of conception, although it may not be 100% accurate. They will guess this by the date of your last period and the date(s) in which you had intercourse. Here is a link to a website that will help you calculate your date of pregnancy: * http://healthlink.mcw.edu/article/923526833.html
Your doctor can help you with that.
Because you were doing it wrong. Go to a doctor.
Yes it can. It can make it painful. If this is the case speak to your doctor because there are remedies.
She may be anticipating. It is staggeringly unlikely that she could have any physical symptoms of pregnancy 7 days after conception. She may see a doctor to set her mind at ease.
January 2nd 2011? Your rough conception date would be April 10th 2010, give or take a few days. However, it's difficult to accurately say when your conception date was. I suggest speaking to your doctor, midwife or obstetrician to get a better idea.
Most are pretty accurate, but get one from the doctor and it will be truly accurate.
it depends on what you have done with your partner but definatly go and see a councillour or doctor because it could be dangerus
Yes, a woman can spot four days after conception takes place. If you are worried, you should visit your doctor.
The anus is usually wider after intercourse, but this returns to normal soon enough. I doubt this is what the doctor cares about though.
See your doctor.
you need to visit a doctor for advice