tong felt like burning; joint pain in their feet and in their hands, hips, shoulder  and neck and is like mostly every joint in their body hurts; cannot do anything; have gained wait/not been able to dropped weight; fluid retention; feel so different; body aches so much/hands hurt really bad/feet hurt in the inside.; muscle spasms; muscles tightening in their arms and legs, like cramps; cannot walk or stand for long; hands are swollen; discomfort; pain always lingers; lymph nodes are very sensitive/in the neck and the groin lymph nodes/lymph nodes hurt every so often; feels like needles behind the knees; armpit is swollen; developed a little anemia; felt like burning; 24 weeks pregnant/pain is  horrible, in their elbows, shoulders and hands; arm was a little sore; This spontaneous prospective pregnancy case was reported by a consumer and describes the occurrence of EXPOSURE DURING PREGNANCY (24 weeks pregnant/pain is  horrible, in their elbows, shoulders and hands), VACCINATION SITE PAIN (arm was a little sore), TONGUE DISCOMFORT (tong felt like burning), ARTHRALGIA (joint pain in their feet and in their hands, hips, shoulder  and neck and is like mostly every joint in their body hurts) and MOBILITY DECREASED (cannot do anything) in a 40-year-old female patient (gravida 5, para 5) who received mRNA-1273 (Moderna COVID-19 Vaccine) (batch no. 036A21A) for COVID-19 vaccination. The occurrence of additional non-serious events is detailed below.     No medical history was provided by the reporter.  Concomitant products included MINERALS NOS, VITAMINS NOS (PRENATAL VITAMINS [MINERALS NOS;VITAMINS NOS]) for an unknown indication.    On 03-Mar-2021, the patient received first dose of mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) 1 dosage form. The patient's last menstrual period was on 25-Aug-2020 and the estimated date of delivery was 17-Jun-2021. On 03-Mar-2021, the patient experienced EXPOSURE DURING PREGNANCY (24 weeks pregnant/pain is  horrible, in their elbows, shoulders and hands) and VACCINATION SITE PAIN (arm was a little sore). On an unknown date, the patient experienced TONGUE DISCOMFORT (tong felt like burning), ARTHRALGIA (joint pain in their feet and in their hands, hips, shoulder  and neck and is like mostly every joint in their body hurts), MOBILITY DECREASED (cannot do anything), WEIGHT INCREASED (have gained wait/not been able to dropped weight), FLUID RETENTION (fluid retention), FEELING ABNORMAL (feel so different), MYALGIA (body aches so much/hands hurt really bad/feet hurt in the inside.), MUSCLE SPASMS (muscle spasms), MUSCLE TIGHTNESS (muscles tightening in their arms and legs, like cramps), GAIT INABILITY (cannot walk or stand for long), PERIPHERAL SWELLING (hands are swollen), DISCOMFORT (discomfort), PAIN (pain always lingers), LYMPHADENOPATHY (lymph nodes are very sensitive/in the neck and the groin lymph nodes/lymph nodes hurt every so often), ARTHRALGIA (feels like needles behind the knees), SWELLING (armpit is swollen), ANAEMIA (developed a little anemia) and BURNING SENSATION (felt like burning). The patient received mRNA-1273 (Moderna COVID-19 Vaccine) beginning around the  twenty-fourth week of the pregnancy. The delivery occurred  on 25-May-2021.  The patient was treated with PARACETAMOL (TYLENOL) for Pain, at a dose of UNK dosage form; IBUPROFEN for Pain, at a dose of UNK dosage form and IBUPROFEN (ADVIL [IBUPROFEN]) for Stomach upset, at a dose of UNK dosage form. On 03-Mar-2021, EXPOSURE DURING PREGNANCY (24 weeks pregnant/pain is  horrible, in their elbows, shoulders and hands) had resolved. At the time of the report, VACCINATION SITE PAIN (arm was a little sore), MOBILITY DECREASED (cannot do anything), FLUID RETENTION (fluid retention), FEELING ABNORMAL (feel so different), MYALGIA (body aches so much/hands hurt really bad/feet hurt in the inside.), MUSCLE SPASMS (muscle spasms), MUSCLE TIGHTNESS (muscles tightening in their arms and legs, like cramps), GAIT INABILITY (cannot walk or stand for long), PERIPHERAL SWELLING (hands are swollen), DISCOMFORT (discomfort), PAIN (pain always lingers), LYMPHADENOPATHY (lymph nodes are very sensitive/in the neck and the groin lymph nodes/lymph nodes hurt every so often), ARTHRALGIA (feels like needles behind the knees), SWELLING (armpit is swollen), ANAEMIA (developed a little anemia) and BURNING SENSATION (felt like burning) outcome was unknown and TONGUE DISCOMFORT (tong felt like burning), ARTHRALGIA (joint pain in their feet and in their hands, hips, shoulder  and neck and is like mostly every joint in their body hurts) and WEIGHT INCREASED (have gained wait/not been able to dropped weight) had not resolved. Not provided.    DIAGNOSTIC RESULTS (normal ranges are provided in parenthesis if available): On 10-Oct-2020, Pregnancy test: positive (Positive) positive.     The action taken with mRNA-1273 (Moderna COVID-19 Vaccine) (Intramuscular) was unknown.       Due date was supposed to be 17Jun2021 but baby came on 25May2021. patient stated HCP mentioned patient had more amniotic fluid than expected since they were discharging it still 2 hours after delivery.   This case was linked to MOD21-053975, MOD-2021-260160 (Parent-Child Link). This case was linked to MOD-2021-133030 (Patient Link).   See case MOD21-053975,MOD-2021-260160 for details regarding the child case.  Most recent FOLLOW-UP information incorporated above includes: On 19-Jul-2021: follow up received on 19-jul-2021 in which new events, delivery date added.