Bin ich nach Erbrechen und Blähbauch schwanger?

The "risk for fetal aneuploidy is low" means that the probability of the fetus having an abnormal number of chromosomes is considered to be low which is a positive indication.

Spotting after taking unwanted 72 is a common side effect and does not necessarily indicate pregnancy. Emergency contraceptives are not 100% effective, so if you're concerned, take a pregnancy test about two weeks after your period is overdue.

HCG levels of 3.5 means you are not pregnant. The normal range for HCG for non-pregnant ladies is usually less than 5 mlU/ml. If you have seen some unusual symptoms, you should see a gynecologist for a proper evaluation and consultation.
 

I would recommend that pregnant women avoid taking whatever medicine without consulting her doctor at least in the fifth month of pregnancy. Before using any medication during pregnancy, it is advisable that one should make sure to consult a gynecologist

In pregnancy, you may not experience regular periods cycle. It's possible for some individuals to experience bleeding or spotting during early pregnancy, which might be mistaken for a period. This bleeding is often lighter and shorter than a typical period and is known as "implantation bleeding."

Based on your menstrual cycle, you are approximately 4 weeks pregnant. The conception likely occurred around November 17th, the time you had intercourse . It's important to confirm your pregnancy with a medical professional and schedule regular prenatal visits. Taking prenatal vitamins and avoiding harmful substances like alcohol and tobacco can promote a HEALTHY pregnancy .

Yes it is possible. Also the consistency does not necessarily indicate fertility or the ability to conceive. Get a UPT done to confirm pregnancy.