Does having intercourse during pregnancy cause abdominal pain?
A typical pregnancy is divided into three stages: the first trimester (up to the end of week 12), the second trimester (weeks 13–27), and the third trimester (week 28 onward). Women commonly use home pregnancy tests or urine-based pregnancy test strips to determine whether they are pregnant. So, does sexual intercourse during pregnancy cause abdominal pain? Below, we address this question.

Does sexual intercourse during pregnancy cause abdominal pain?
In general, sexual intercourse during pregnancy may cause abdominal discomfort or pain. During intercourse, uterine stimulation can trigger uterine contractions, leading to pain. It is generally recommended to avoid intercourse during the first trimester (first 12 weeks), as the fetus is still developing and remains vulnerable; excessive uterine stimulation increases the risk of miscarriage. From a medical perspective, moderate sexual activity during pregnancy can strengthen emotional intimacy between partners and may even benefit fetal development. However, intercourse should be avoided during both the first and third trimesters; it may be safely resumed in moderation during the second trimester. Additionally, maintaining good genital hygiene during pregnancy helps prevent inflammation and infection.

Additional Information: Causes of Lower Abdominal Pain After Intercourse
1. Gynecological Inflammation
Conditions such as cervicitis, salpingo-oophoritis (inflammation of the fallopian tubes and ovaries), or pelvic inflammatory disease (PID) may cause lower abdominal pain during or after intercourse. Sexual stimulation—especially during orgasm—can induce cervical contraction. Moreover, overly vigorous movements by the male partner, rapid or deep penile thrusting, or penetration that impacts an inflamed or pathologically altered area may provoke abdominal pain. This type of pain tends to persist beyond intercourse and does not resolve spontaneously. Affected individuals should undergo gynecological examination, pelvic ultrasound, and colposcopy to identify the specific type of inflammation and receive appropriate treatment.

2. Physiological Factors
The female urethra lies in close proximity to the bladder base and vagina, while the uterus, adnexa, and other pelvic organs maintain intimate anatomical relationships with the vaginal canal. Consequently, these structures are highly susceptible to external mechanical pressure and biological stimuli. Vigorous penile movement during intercourse may strongly stimulate the vagina, peritoneal cavity, and pelvic organs, resulting in abdominal pain. If the pain is mild and transient, no specific treatment or intervention is required; instead, focus on warmth preservation and adequate rest.
The above outlines whether sexual intercourse during pregnancy can cause abdominal pain. We hope this information proves helpful.