Pregnancy Pregnancy is the period of reproduction during which a member of a species ( typically , but not always , a female ) carries one or more live offspring from implantation through gestation . As Jean - Luc Picard once succinctly noted of Deanna Troi , " " She ' s pregnant . She ' s going to have a baby . " " ( ) Obstetrics was the branch of medical science that specialized in the care of lifeforms during pregnancy , childbirth , and the subsequent recovery period following delivery . Those who practiced this form of medicine were known as obstetrician s or obstetrics specialist s . ( ; ) Species variations . Bajorans . Bajoran females carried their children for less than five month s and , because they had a short gestation period , they vascularized very quickly , forming a complex interconnecting network of blood vessel s with their children . Bajoran women did not experience nausea during morning sickness like Human s , but were instead prone to uncontrollable fits of sneezing . In 2373 , Doctor Bashir attempted to develop a small [ respirator ] to alleviate Kira ' s sneezing . ( ) Bajoran women were commonly given Makara herb s in order to maintain their progesterone levels during pregnancy , though the herbs counteracted sedative s such as merfadon . ( ) Betazoids . Female Betazoid s carried their young for ten months . Sometimes , when carrying Betazoid babies , Betazoid mothers could telepathically sense the infant ' s thoughts . ( ; ) Breen . Among the Breen , a warlike species , pregnancy at a young age is a common event . ( ) Ferengi . On the planet Ferenginar , pregnancy was considered a rental , and as a lessee , the male Ferengi had certain rights . ( ) Humans . Human females typically carried their children for nine months . Females often suffered from morning sickness and woke up feeling nauseous , though morning sickness usually ended after the first trimester . Additionally , they often gained extra weight and suffered mood swing s . Having contractions was not uncommon in the late months of pregnancy . ( ; ) Klingons . Klingon females carried their children for thirty week s , though The Doctor believed that the gestation period for Klingon - Human hybrids would likely be less . The Doctor advised a pregnant B ' Elanna Torres to expect mood swings during her pregnancy . ( ) Worf stated that a male should have some say in what a pregnant female could and could not do . ( ) Ocampa . Members of the Ocampa species typically become pregnant between the age of four and five . Females carry their young in a pouch on their back called a mitral sac . ( ) Scathos . Among the Scathos species , any woman who conceives a child before her fourth decade is summarily executed . ( ) Xindi - Primate . Anaprolean Fever could cause miscarriage in Xindi - Primate pregnancies . ( ) Yridians . In the Yridian culture , a male that impregnates a female with no intentions of taking responsibility for his actions dishonor s the female ' s family . Yranac claimed that if his sister were ever defiled in such a way , he would do or pay anything to find the person responsible . ( ) Male pregnancy . On Earth , the majority of all pregnancies were carried by female organisms . In 2151 , after an encounter with a female Xyrillian , Charles Tucker III became the first recorded Human male to become pregnant ( though he was more of a carrier of genetic information than an actual biological parent and never carried the child to term ) . ( ) Males of Vilix ' pran ' s species , a winged race from the Alpha or Beta Quadrant , were known to carry their young ( referred to as budding ) . ( ) Complications . There were both routine and serious , even potentially fatal , problems with pregnancy . Ensign Samantha Wildman experienced many difficulties with her pregnancy on board , including shooting pains in the lower back and legs . ( ) It was recommended that caffeine intake during pregnancy be limited to avoid complications or negatively affecting infant development . Miles O ' Brien had Quark develop a decaffeinated raktajino ( which Odo sarcastically referred to as Quarktajino ) for a pregnant Kira Nerys , though the beverage ended up being undrinkable . ( ) Pregnancies involving a hybrid being could sometimes result in complications . During the delivery of Samantha Wildman ' s child , its Ktarian ridges lodged in her uterine wall . This threatened to rupture the uterus and cause internal bleeding and possibly death . While the child was safely transported out of Wildman , it did not survive because of a power loss to critical medical equipment . However , the same procedure was performed aboard a duplicate " Voyager " and was successful , and the infant was brought over before the duplicate " Voyager " was destroyed . She was given the name Naomi . ( ) Becoming ill or injured while pregnant could lead to the loss of the developing child . Degra ' s wife Naara lost their third child , Trenia , three months into her gestation due to Anaprolean Fever . ( ) Alyssa Ogawa lost her and Andrew Powell ' s baby due to temporal energy de - aging the fetus until its DNA broke down . ( ) Appendices . Background information . Actresses who have been pregnant while playing roles on " Star Trek " include Gates McFadden , Roxann Dawson , and Nana Visitor . McFadden ' s and Dawson ' s pregnancies were hidden on - screen ( McFadden performed a complex stunt in just before discovering she was pregnant ) , while a surrogate pregnancy was written into Visitor ' s character , Kira Nerys , in . Dawson ' s pregnancy was seen onscreen in the episodes and . It was written into the character as a holographic pregnancy .