The human physique can do some unusual issues, notably when pregnant. However how unusual is simply too unusual? Is it potential to get pregnant whereas pregnant? Is it potential to conceive once more whereas pregnant?
As odd as it might sound, it’s potential to develop into pregnant with a brand new child even whereas anticipating one. It’s even been given a scientific title: superfetation.
If this happens, the mom might be carrying twins that have been conceived on separate days. This isn’t the identical as having non-identical twins (twins born from totally different eggs) or twins of various sizes.
Superfetation leads to infants with diverse gestational ages and, consequently, totally different due dates. Though sure species, comparable to people, have the power to superfetate, nearly all of mammals, together with people, should not. Superfetation is especially frequent in some hares and fish.
If these species get one other being pregnant deliberate earlier than giving start to their first little one, it seems to be much less taxing on their our bodies.
Nevertheless, compared to them, the human physique has sure practically unbreakable defensive mechanisms in place to forestall you from changing into pregnant once more if in case you have intercourse while pregnant.
However, if there’s already a child in there, what precisely is stopping being pregnant?
1. The mucus plug is obstructing the best way
There’s a bodily hurdle to beat first. Your mucus plug kinds between your uterus and vagina all through the primary a number of weeks of being pregnant. Its major operate is to keep up viruses and micro organism out of your child’s current atmosphere, and it additionally works nicely to maintain sperm cells out.
On the subject of mucus, the mucus produced by your physique throughout being pregnant is extra acidic and thicker, which is the polar reverse of the discharge you may discover within the midst of your cycle.
Sperm cells have a troublesome time touring or maybe surviving inside your physique with out the slick ‘egg white’ cervical mucus.
2. Being pregnant hormones forestall ovulation
The mix of hormones in your physique shifts significantly throughout early being pregnant. A surge in progesterone ranges and a really low stage of LH (luteinizing hormone), which is required for ovulation, are two of essentially the most noticeable alterations.
So, in case you’re questioning in case you can ovulate whenever you’re pregnant, the reply is a powerful no. And in case your physique doesn’t produce one other egg, you gained’t be in a position to conceive once more.
3. One other egg won’t implant in your uterus
An egg should be capable to penetrate down into your uterus lining as soon as it has been fertilized with the intention to proceed growing right into a child. That is known as implantation. Your physique begins to create the placenta shortly after conception, making it not possible for a brand new egg to implant.
In people, superfetation is extraordinarily uncommon to happen. Even when it occurs, the physique adjustments so rapidly in early being pregnant, that the infants can be fairly near gestational age.
What are the percentages of getting pregnant whereas pregnant?
The percentages of getting pregnant whereas pregnant are so, so tiny. Human superfetation is technically potential, and there have been documented circumstances.