Depends on some factors: how big they are growing, their health, mother's health and how strong the mother is when carrying them. Sometimes it is between seven to nine months.
37 weeks. but the average is 32-36 weeks when they are born.
4 weeks. You could see 2 gestational sacs
your uterus actually contracts starting arounf 8 weeks. but you dont feel them til later on. With my experience with my twin pregnancy, i started really feeling them around 20 weeks. And now at almost 29 weeks, theyre pretty intense!
Approximately 35 weeks. this is when the twins stop growing to so much.
The dead twin will be still-born and will have not effect on the remaining twin. You do need to speak to your OBY/GYN for more detailed advice.
A gemellar pregnancy is a twin pregnancy.
Twins are by definition TWO. Any other number and it isn't a Twin birth. There's a considerable random element to Twin pregnancies, so there's no actual limit to how many Twin pregnancies a woman can have during her fertile years. Any pregnancy can be a Twin pregnancy.
Anxiety related to twin pregnancy
I found out i was pregnant with my twins at 3 weeks. I got a positive pregnancy test at 2 weeks due to higher levels of HCG in my urine and then began bleeding so went to the ER and they done an ultrasound. You could see the gestational sacs, but not the fetal poles yet.
TWin to twin tranfusion syndrome.
A singleton pregnancy has only one embryo; in contrast, a twin pregnancy has two.
Twins typically share a gestation period of about 37 weeks, which is slightly shorter than the average 40 weeks for a singleton pregnancy. While most twins are born prematurely, a gestation period of 34 to 36 weeks is common for many twin pregnancies. Factors such as maternal health and the type of twins (identical or fraternal) can also influence the length of gestation.