During pregnancy, the cervix is blocked by a special antibacterial mucosal plug, which prevents infection, somewhat similar to its state during the infertile portion of the menstrual cycle.

During pregnancy, the glands and blood vessels in the endometrium further increase in size and number.

During pregnancy in viviparous mammals, endogenous retroviruses ( ERVs ) are activated and produced in high quantities during the implantation of the embryo.

During the early days of pregnancy, the conceptus is mobile, moving about in the uterus until about day 16 when " fixation " occurs.

During menopause, estrone is the predominant circulating estrogen and during pregnancy estriol is the predominant circulating estrogen in terms of serum levels.

During season seven, a pregnancy storyline was written in for the B ' Elanna character.

During pregnancy, all women produce vasopressinase in the placenta, which breaks down ADH.

During pregnancy, even in the absence of preconception cardiovascular abnormality, women with Marfan syndrome are at significant risk of aortic dissection, which is often fatal even when rapidly treated.

During the 1980s, the show incorporated the real-life experiences of the show's cast and crew, including the death of Will Lee ( Mr. Hooper ) and the pregnancy of Sonia Manzano ( Maria ) to address affective concerns.

During pregnancy, testing can be performed on the placenta ( chorionic villus sampling ) or the fluid around the fetus ( amniocentesis ).

During the pregnancy ( usually later in it ), the woman may have glucose ( sugar ) in her blood at a higher than normal level.

* During pregnancy women experience CTS due to hormonal changes ( high progesterone levels ) and water retention ( which swells the synovium ), which are common during pregnancy.

During pregnancy, diabetic retinopathy may also be a problem for women with diabetes.

During her pregnancy with her last child, Marijke Christina, Princess Juliana contracted German measles.

During pregnancy, Bajoran women suffer from uncontrollable bouts of sneezing rather than morning sickness.

During check-ups, women will receive medical information over maternal physiological changes in pregnancy, biological changes, and prenatal nutrition including prenatal vitamins.

During the epidemic in the US between 1962 – 1965, Rubella virus infections during pregnancy were estimated to have caused 30, 000 still births and 20, 000 children to be born impaired or disabled as a result of CRS.

During a hyperemetic pregnancy, many woman complain of excessive saliva and an inability to swallow this saliva.

* During pregnancy

During pregnancy, high circulating concentrations of estrogen increase prolactin levels by 10-to 20-fold.

World Health Organization recommendation on Maternal Supplementation During Pregnancy states that " health benefits are expected for the mother and her developing fetus with little risk of detriment to either, from a daily supplement not exceeding 10, 000IU vitamin A ( 3000mcg RE ) at any time during pregnancy.

During menopause, estrone is the predominant circulating estrogen and during pregnancy estriol is the predominant circulating estrogen in terms of serum levels.

During pregnancy, the uterus presses the navel of the pregnant woman outward, however it usually retracts after birth.

During thelarche, the developing breasts sometimes are of unequal size, and usually the left breast is slightly larger ; said condition of asymmetry is transitory and statistically normal to female physical and sexual development.

During sexual arousal, breast size increases, venous patterns across the breasts become more visible, and nipples harden.

During the Hillsborough Memorial Service on 15 April 2011, Liverpool MP Steve Rotherham announced he would submit an Early Day Motion to have Dalglish knighted, " not only for his outstanding playing and managerial career, but also the charity work he has done with his wife, Marina, for breast cancer support and what he did after Hillsborough.

During the seven-hour ceremony, her gown was opened by the Countess of Mar for presiding minister Robert Bruce to pour " a bonny quantity of oil " on " parts of her breast and arm ," so anointing her as queen.

During Chrismation, the newly illuminate ( i. e., newly baptized ) person is anointed by making the sign of the cross with the myron on the forehead, eyes, nostrils, lips, both ears, breast, hands and feet.

During courtship the male sings whilst he runs and postures, exhibiting his snowy breast, and when displaying he will take long and high flights, like those of the Common Kingfisher, accompanied by sharp metallic calls clink, clink, different from the normal zil.

During the procedure, the breast is compressed using a dedicated mammography unit.

During her senior year while visiting home, her mother showed her a lump on her breast.

* During the turn, the shoulders may be turned over the vertical to the breast after which a continuous single arm pull or a continuous simultaneous double arm pull may be used to initiate the turn.

During the run of Sunset Boulevard at the West End's Adelphi Theatre in 1995, Paige discovered a lump in her breast, prompting her to consult her doctor, who at first reassured her there was nothing to be concerned about.

During the breeding season pinkish-brown or bronze nuptial plumes appear on the foreneck and breast, with blue-grey plumes appearing on the back.

During her campaign for governor it was announced that Heitkamp had been diagnosed with breast cancer, which is now in remission.

* February 1, 2004 – During a performance by singers Justin Timberlake and Janet Jackson at the Super Bowl XXXVIII half time show, Timberlake pulled off a part of Jackson's leather corset, revealing her right breast covered by a piece of jewelry attached to her nipple.

* During breast reconstruction after mastectomy ( removal of the breast for treatment of cancer ), or breast reduction surgery.

During a physical examination, the doctor examines the unusual areas of the breast, especially the appearance of the skin on and around the nipples and feeling for any lumps or areas of thickening.

During the southern winter, at a time when the station is physically cut off from the rest of the world, she developed breast cancer.

During the king's visit, a strange incident took place: A local village chief, concerned that the king was drinking only black coffee ( a consequence of the king's aides distrusting the quality of the local milk owing to unsanitary conditions in the area ), served the king a small jug of milk saying, " Your Majesty rest assured that this milk is totally trustworthy ," which turned out to be breast milk from his wife who had recently given birth.

During his playing career with Celtic, Mowbray's wife Bernadette, a native of Renfrewshire, died of breast cancer.

During the interview she revealed that her undying faith in God got her through having a cyst ( benign ) removed from her breast, the ending of her marriage to Isley in divorce, and her struggle with depression.

During her reign as Miss USA, Finnessey became an advocate for breast cancer and ovarian cancer awareness and research.

During her reign, she advocated breast cancer and ovarian cancer research and funding and resided in a luxury riverside apartment in New York City provided by the Miss Universe Organization.

During the drive, SuperCherry comes on to him and puts his hand over her breast, but then pulls it back.