I don't think there is a test to tell if a guinea pig is pregnant, but a pregnant guinea pig will not let you rub its stomach. If you are still unsure, take your guinea pig to a vet. A sonogram can usually tell the sex of the baby by 4 months. There are many syntoms that you can tell that a guinea pig is pregnant.
Facts and Myths About Predicting the Sex of Your Baby
Can You Tell The Sex Of The Baby At 12 Weeks? | Yahoo Answers
Most physicians and midwives use the gestation calculation of weeks rather than months because it is more specific. We talk a good game about having nine months of pregnancy. But if you look at it mathematically, there are an average of forty weeks in a normal pregnancy. If you calculate a month as being four weeks, that makes 10 months of pregnancy in every forty weeks. The problem with this calculation is that it has day months, which is not the norm in our calendar months. This is why some people say that there are really 10 months of pregnancy.
How Can U Tell If Ur Pregnant Or Not Before U Miss Ur Period (Page 1)
So, you've been trying to get pregnant for awhile, but nothing is happening. Why are you not getting pregnant? There are many possible reasons, including ovulation irregularities, structural problems in the reproductive system, low sperm count, or an underlying medical problem.
Has pregnancy spiked your interest in sex? Or is sex the last thing on your mind? Either way, here's what you need to know about sex during pregnancy.