What is Space Station 13? Space Station 13 is a paranoia-laden round-based roleplaying game set against the backdrop of a nonsensical, metal death trap masquerading as a space station, with charming spritework designed to represent the sci-fi setting and its dangerous undertones. Have fun, and survive!
When a woman is told she has an enlarged yolk sac during the first trimester, often she is told there is no hope and miscarriage is inevitable. The reason for this page is that indeed there is hope!
The yolk sac and embryo should be readily identified when the gestational sac reaches a certain size â a yolk sac should be seen when gestational sac is 20mm and a fetal pole should be seen when the gestational sac reaches 25mm.